BENEFACTION Meaning of BENEFACTION in English [ ˌbɛnɪ'fakʃ(ə)n ]■ noun formal a donation or gift.OriginC17: from late L. benefactio(n-) , from bene facere 'do good (to)'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004