| 1. | free from commotion or tumult; peaceful; quiet; calm: a tranquil country place. |
| 2. | free from or unaffected by disturbing emotions; unagitated; serene; placid: a tranquil life. |

tran·quil (trāng'kwəl, trān'-) adj.
[Middle English tranquill, from Latin tranquillus; see kweiə- in Indo-European roots.] tran'quil·ly adv., tran'quil·ness n. |
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).