The Collaborative International Dictionary of English v.0.48:

Easy \Eas"y\, a. [Compar. Easier; superl. Easiest.] [OF.
   aisi['e], F. ais['e], prop. p. p. of OF. aisier. See Ease,
   v. t.]
   1. At ease; free from pain, trouble, or constraint; as:
      (a) Free from pain, distress, toil, exertion, and the
          like; quiet; as, the patient is easy.
      (b) Free from care, responsibility, discontent, and the
          like; not anxious; tranquil; as, an easy mind.
      (c) Free from constraint, harshness, or formality;
          unconstrained; smooth; as, easy manners; an easy
          style. "The easy vigor of a line." --Pope.
          [1913 Webster]

   2. Not causing, or attended with, pain or disquiet, or much
      exertion; affording ease or rest; as, an easy carriage; a
      ship having an easy motion; easy movements, as in dancing.
      "Easy ways to die." --Shak.
      [1913 Webster]

   3. Not difficult; requiring little labor or effort; slight;
      inconsiderable; as, an easy task; an easy victory.
      [1913 Webster]

            It were an easy leap.                 --Shak.
      [1913 Webster]

   4. Causing ease; giving freedom from care or labor;
      furnishing comfort; commodious; as, easy circumstances; an
      easy chair or cushion.
      [1913 Webster]

   5. Not making resistance or showing unwillingness; tractable;
      yielding; complying; ready.
      [1913 Webster]

            He gained their easy hearts.          --Dryden.
      [1913 Webster]

            He is too tyrannical to be an easy monarch. --Sir W.
                                                  Scott.
      [1913 Webster]

   6. Moderate; sparing; frugal. [Obs.] --Chaucer.
      [1913 Webster]

   7. (Com.) Not straitened as to money matters; as, the market
      is easy; -- opposed to tight.
      [1913 Webster]

   Honors are easy (Card Playing), said when each side has an
      equal number of honors, in which case they are not counted
      as points.

   Syn: Quiet; comfortable; manageable; tranquil; calm; facile;
        unconcerned.
        [1913 Webster]

WordNet (r) 3.0 (2006):

easy
    adv 1: with ease (`easy' is sometimes used informally for
           `easily'); "she was easily excited"; "was easily
           confused"; "he won easily"; "this china breaks very
           easily"; "success came too easy" [syn: easily, easy]
    2: without speed (`slow' is sometimes used informally for
       `slowly'); "he spoke slowly"; "go easy here--the road is
       slippery"; "glaciers move tardily"; "please go slow so I can
       see the sights" [syn: slowly, slow, easy, tardily]
       [ant: apace, chop-chop, quickly, rapidly, speedily]
    3: in a relaxed manner; or without hardship; "just wanted to
       take it easy" (`soft' is nonstandard) [syn: easy, soft]
    adj 1: posing no difficulty; requiring little effort; "an easy
           job"; "an easy problem"; "an easy victory"; "the house is
           easy to heat"; "satisfied with easy answers"; "took the
           easy way out of his dilemma" [ant: difficult, hard]
    2: not hurried or forced; "an easy walk around the block"; "at a
       leisurely (or easygoing) pace" [syn: easy, easygoing,
       leisurely]
    3: free from worry or anxiety; "knowing that I had done my best,
       my mind was easy"; "an easy good-natured manner"; "by the
       time the chsild faced the actual problem of reading she was
       familiar and at ease with all the elements words" [ant:
       uneasy]
    4: affording pleasure; "easy good looks"
    5: having little impact; "an easy pat on the shoulder"; "gentle
       rain"; "a gentle breeze"; "a soft (or light) tapping at the
       window" [syn: easy, gentle, soft]
    6: readily exploited or tricked; "an easy victim"; "an easy
       mark"
    7: in fortunate circumstances financially; moderately rich;
       "they were comfortable or even wealthy by some standards";
       "easy living"; "a prosperous family"; "his family is well-
       situated financially"; "well-to-do members of the community"
       [syn: comfortable, easy, prosperous, well-fixed,
       well-heeled, well-off, well-situated, well-to-do]
    8: marked by moderate steepness; "an easy climb"; "a gentle
       slope" [syn: easy, gentle]
    9: affording comfort; "soft light that was easy on the eyes"
    10: casual and unrestrained in sexual behavior; "her easy
        virtue"; "he was told to avoid loose (or light) women";
        "wanton behavior" [syn: easy, light, loose,
        promiscuous, sluttish, wanton]
    11: less in demand and therefore readily obtainable;
        "commodities are easy this quarter"
    12: obtained with little effort or sacrifice, often obtained
        illegally; "easy money"

Moby Thesaurus II by Grady Ward, 1.0:

390 Moby Thesaurus words for "easy":
   Attic, Bohemian, Ciceronian, Mickey Mouse, Paphian, accepting,
   accommodating, acquiescent, affable, affluent, agreeable, ambling,
   amenable, amiable, amicable, apparent, at ease, at home, at rest,
   bagging, baggy, blase, bone-lazy, bonhomous, budget, cadging, calm,
   calmly, cannily, carefree, carefully, careless, casual, casually,
   cautious, cautiously, chambering, charmed, chaste, cheap,
   circumspect, circumspectly, classic, claudicant, clear, clear-cut,
   clement, comfortable, comfortably situated, comfy, commodious,
   compassionate, complaisant, compliant, composed, content,
   contented, convenient, cordial, cosy, cozy, crawling, credulous,
   creeping, cullible, cushioned, cushiony, cushy, dainty, dangling,
   deceivable, degage, deliberate, delicate, delighted, deludable,
   devil-may-care, dilatory, direct, discreetly, distinct, do-nothing,
   docile, doless, down-to-earth, dronish, drony, drooping, dupable,
   easeful, easy as pie, easy-natured, easygoing, economic, economy,
   effortless, effortlessly, elegant, elementary, ergophobic,
   eupeptic, euphoric, even, evident, exhilarated, exploitable,
   facile, faineant, faltering, familiar, favorably impressed with,
   finished, flagging, flapping, flexible, flowing, fluent, folksy,
   foolable, foolproof, foot-dragging, forbearant, forbearing,
   forgiving, free and easy, friendly, frugal, genial, gentle,
   gingerly, glad, gladsome, glib, good-for-nothing, good-humored,
   good-natured, good-tempered, graceful, gracile, gracious, gradual,
   gratified, green, guardedly, gullible, halting, hands down,
   hanging, happy, hasteless, haymish, heedfully, hoaxable, hobbled,
   hobbling, homelike, homely, homey, hoodwinkable, humane,
   humbugable, idle, impotent, imprecise, in clover, in good case,
   in luxury, inactive, indifferent, indolent, indulgent, inexpensive,
   informal, ingenuous, intrigued, irregular, judiciously,
   lackadaisical, laggard, languid, languorous, lax, lazy, leisurely,
   lenient, light, limpid, limping, lived-in, loose, loose-moraled,
   low, low-priced, lucid, lumbering, luxurious, manageable, manifest,
   mellow, mellowy, merciful, mild, mindfully, moderate, modest,
   mollified, naive, natural, neat, negligent, nominal, nonaggressive,
   nonchalant, nonchalantly, nonresistive, nonrigid, nothing to it,
   obvious, of easy virtue, of good comfort, of loose morals, offhand,
   offhanded, on Easy Street, on velvet, outgoing, overindulgent,
   overpermissive, painless, parasitic, patient, pawkily, peaceful,
   peacefully, pellucid, permissive, perspicuous, persuadable, plain,
   pleased, pleased as Punch, pleased with, pleasing, pliant, poking,
   poky, polished, procrastinative, promiscuous, prosperous,
   prudently, pure, quiet, reasonable, reconciled, refined,
   regardfully, relaxed, relaxing, reluctant, remiss, reposeful,
   resigned, restful, restrained, rickety, roomy, round, royal,
   sans souci, satisfied, sauntering, scrounging, seduceable,
   sensible, serene, serenely, shabby, shaky, shiftless, shoddy,
   shuffling, simple, simple as ABC, slack, slipshod, sloppy,
   slothful, slow, slow as death, slow as molasses, slow as slow,
   slow-crawling, slow-foot, slow-going, slow-legged, slow-moving,
   slow-paced, slow-poky, slow-running, slow-sailing, slow-stepped,
   sluggish, smooth, snail-paced, snaillike, snug, sociable, soft,
   soft as putty, softened, sold on, sponging, staggering, steady,
   straightforward, streaming, strolling, submissive, successful,
   suggestible, sweet, sweet-tempered, taken with, tasteful,
   temperately, tender, tentative, terse, thrilled, tickled,
   tickled pink, tickled to death, toddling, token, tolerant,
   tortoiselike, tottering, tractable, tranquil, tranquilly, trim,
   tripping, trudging, trusting, turtlelike, unaffected, unassuming,
   unburdensome, unceremonious, uncomplaining, uncomplicated,
   uncompounded, unconcerned, unconstrained, unconventional,
   undemanding, undisturbed, unenterprising, unexacting, unexpensive,
   unhasty, unhurried, uninvolved, unlabored, unofficial, unrepining,
   unreserved, unrestrained, unsophisticated, unstrained, unstudied,
   untroubled, untroublesome, victimizable, waddling, wanton, warm,
   wayward, weak, wealthy, well-natured, whisper-soft, whorish,
   with care, with caution, within means, without care, work-shy,
   worth the money



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

EASY
       ErmittlungsAbhaengiges SYstem (Bavaria)