The Collaborative International Dictionary of English v.0.48:

Always \Al"ways\, adv. [All + way. The s is an adverbial (orig.
   a genitive) ending.]
   1. At all times; ever; perpetually; throughout all time;
      continually; as, God is always the same.
      [1913 Webster]

            Even in Heaven his [Mammon's] looks and thoughts.
                                                  --Milton.
      [1913 Webster]

   2. Constancy during a certain period, or regularly at stated
      intervals; invariably; uniformly; -- opposed to
      sometimes or occasionally.
      [1913 Webster]

            He always rides a black galloway.     --Bulwer.
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The Collaborative International Dictionary of English v.0.48:

Aye \Aye\, Ay \Ay\, adv. [Icel. ei, ey; akin to AS. [=a],
   [=a]wa, always, Goth. aiws an age, Icel. [ae]fi, OHG, ?wa, L.
   aevum, Gr. ? an age, ?, ?, ever, always, G. je, Skr. ?va
   course. ?, ?. Cf. Age, v., Either, a., Or, conj.]
   Always; ever; continually; for an indefinite time.
   [1913 Webster]

         For his mercies aye endure.              --Milton.
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   For aye, always; forever; eternally.
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WordNet (r) 3.0 (2006):

always
    adv 1: at all times; all the time and on every occasion; "I will
           always be there to help you"; "always arrives on time";
           "there is always some pollution in the air"; "ever hoping
           to strike it rich"; "ever busy" [syn: always, ever,
           e'er] [ant: ne'er, never]
    2: without variation or change, in every case; "constantly kind
       and gracious"; "he always arrives on time" [syn:
       constantly, invariably, always]
    3: without interruption; "the world is constantly changing"
       [syn: constantly, always, forever, perpetually,
       incessantly]
    4: at any time or in any event; "you can always resign if you
       don't like it"; "you could always take a day off"
    5: forever; throughout all time; "we will always be friends"; "I
       shall treasure it always"; "I will always love you"

Moby Thesaurus II by Grady Ward, 1.0:

79 Moby Thesaurus words for "always":
   abidingly, again and again, all along, all over, all the time,
   all the while, at all times, at every turn, ceaselessly,
   changelessly, constantly, continually, continuously, cosmically,
   daily, daily and hourly, day after day, day and night, enduringly,
   eternally, ever, ever and always, ever and anon, everlastingly,
   evermore, every day, every hour, every moment, everywhere, forever,
   forevermore, frequently, galactically, hour after hour, hourly,
   in any case, in every instance, in perpetuity, incessantly,
   inflexibly, internationally, invariably, lastingly, like clockwork,
   many times, methodically, month after month, never otherwise,
   night and day, often, on and on, orderly, perennially, permanently,
   perpetually, rapidly, regularly, right along, rigidly, statically,
   steadfastly, steadily, sustainedly, systematically, the world over,
   unceasingly, unchangingly, unendingly, unintermittently,
   uninterruptedly, universally, unvaryingly, unwaveringly, usually,
   without cease, without exception, without letup, without stopping,
   year after year