1. tranquil - Adjective
2. tranquil - Adjective Satellite
Quiet; calm; undisturbed; peaceful; not agitated; as, the atmosphere is tranquil; the condition of the country is tranquil.
Source: Webster's dictionaryspoke in a calm voice Source: Internet
remained calm throughout the uproar Source: Internet
he remained serene in the midst of turbulence Source: Internet
a serene expression on her face Source: Internet
she became more tranquil Source: Internet
tranquil life in the country Source: Internet