matchmaking

Short definition from Wiktionary

Noun

1. 1
   An attempt to make two people romantically interested in each other, especially an attempt to set up a date between people or to arrange a marriage.
2. 2
   A service aiming to bring together sellers and buyers or potential partners.
3. 3
   The act or process of locating suitable players to take part in a multiplayer game session.
4. 4
   The manufacture of matches for kindling or burning.

Verb

1. 1
   present participle and gerund of matchmake