PERTAIN TO Meaning of PERTAIN TO in English 1.Belong to, ap~, be the property of.2.Behoove, befit, beseem, be incumbent on, be the duty of, devolve on.3.Regard, concern, relate to, refer to, answer to, have relation to. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012