Search Result for "tranquil": 
Wordnet 3.0

ADJECTIVE (2)

1. (of a body of water) free from disturbance by heavy waves;
- Example: "a ribbon of sand between the angry sea and the placid bay"
- Example: "the quiet waters of a lagoon"
- Example: "a lake of tranquil blue water reflecting a tranquil blue sky"
- Example: "a smooth channel crossing"
- Example: "scarcely a ripple on the still water"
- Example: "unruffled water"
[syn: placid, quiet, still, tranquil, smooth, unruffled]

2. not agitated; without losing self-possession;
- Example: "spoke in a calm voice"
- Example: "remained calm throughout the uproar"
- Example: "he remained serene in the midst of turbulence"
- Example: "a serene expression on her face"
- Example: "she became more tranquil"
- Example: "tranquil life in the country"
[syn: calm, unagitated, serene, tranquil]



The Collaborative International Dictionary of English v.0.48:

Tranquil \Tran"quil\, a. [L. tranquillus; probably fr. trans
   across, over + a word akin to quietus quiet: cf. F.
   tranquille. See Quiet.]
   Quiet; calm; undisturbed; peaceful; not agitated; as, the
   atmosphere is tranquil; the condition of the country is
   tranquil.
   [1913 Webster]

         A style clear, tranquil, easy to follow. --De Quincey.
   [1913 Webster] Tranquilization


WordNet (r) 3.0 (2006):

tranquil
    adj 1: (of a body of water) free from disturbance by heavy
           waves; "a ribbon of sand between the angry sea and the
           placid bay"; "the quiet waters of a lagoon"; "a lake of
           tranquil blue water reflecting a tranquil blue sky"; "a
           smooth channel crossing"; "scarcely a ripple on the still
           water"; "unruffled water" [syn: placid, quiet,
           still, tranquil, smooth, unruffled]
    2: not agitated; without losing self-possession; "spoke in a
       calm voice"; "remained calm throughout the uproar"; "he
       remained serene in the midst of turbulence"; "a serene
       expression on her face"; "she became more tranquil";
       "tranquil life in the country" [syn: calm, unagitated,
       serene, tranquil]


Moby Thesaurus II by Grady Ward, 1.0:

94 Moby Thesaurus words for "tranquil":
   at peace, at rest, blank, blankminded, bloodless, calm, cloistered,
   collected, composed, concordant, cool, coolheaded, dispassionate,
   dwindling, easy, easygoing, ebbing, empty, empty-headed, equable,
   even, even-tempered, even-tenored, fatuous, halcyon, hushed,
   idyllic, impassive, inane, incogitant, irenic, isolated,
   levelheaded, moldering, nirvanic, oblivious, orderly, pacific,
   passive, pastoral, peaceable, peaceful, peacetime, philosophical,
   piping, placid, poised, possessed, quiescent, quiet, quietistic,
   regular, relaxed, reposeful, reposing, restful, resting, secluded,
   sedate, self-controlled, self-possessed, sequestered, sequestrated,
   serene, sheltered, smooth, soft, stable, steady, still,
   still as death, stillish, stilly, stoic, stolid, subsiding,
   thoughtfree, thoughtless, unagitated, undisturbed, unexcited,
   unideaed, unintellectual, unmoved, unoccupied, unperturbed,
   unreasoning, unruffled, unstirring, unthinking, untroubled, vacant,
   vacuous, waning




The Free On-line Dictionary of Computing (30 December 2018):

TRANQUIL

   1966.  ALGOL-like language with sets and other extensions, for
   the Illiac IV.  "TRANQUIL: A Language for an Array Processing
   Computer", N.E. Abel et al, Proc SJCC 34 (1969).