From Longman Dictionary of Contemporary Englishmatchmakermatch‧mak‧er /ˈmætʃˌmeɪkə $ -ər/ noun [countable] MARRYsomeone who tries to find a suitable partner for someone else to marry —matchmaking noun [uncountable] Perhaps we should do a little bit of matchmaking and introduce them.
Examples from the Corpus
matchmaker• Ours, after all, was not a marriage arranged by a matchmaker or by our parents.• Once a deal was struck between matchmaker and the parents, the girl had to stay at home until her marriage.• She made the marriage, without benefit of matchmakers, and he seemed happy enough to go along with it.• Besides being a judge, Soo-Il was also a talented matchmaker. 