matchmaker[noun]Synonyms: marriage broker, go-between
[TahlilGaran] English Synonym Dictionary ▲
match‧mak‧er /ˈmætʃˌmeɪkə $ -ər/
noun [countable] someone 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. [TahlilGaran] Dictionary of Contemporary English ▲