prep. 25B6; preposition ABOUT, regarding, relating to, with reference to, referring to, with regard to, as regards, with respect to, respecting, dealing with, on the subject of, in connection with, re, apropos of.
CONCERNING
Meaning of CONCERNING in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012