BECALM Meaning of BECALM in English v. a. 1.Quiet, soothe, still, calm, tranquillize, pacify, appease, make calm, make tranquil.2.Detain by a calm ( as a ship ), affect, overtake, or surround by a calm. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012