1. (n.) A companion; a comrade; an associate; a partner; a sharer.

2. (n.) A man without good breeding or worth; an ignoble or mean man.

3. (n.) An equal in power, rank, character, etc.

4. (n.) One of a pair, or of two things used together or suited to each other; a mate; the male.

5. (n.) A person; an individual.

6. (n.) In the English universities, a scholar who is appointed to a foundation called a fellowship, which gives a title to certain perquisites and privileges.

7. (n.) In an American college or university, a member of the corporation which manages its business interests; also, a graduate appointed to a fellowship, who receives the income of the foundation.

8. (n.) A member of a literary or scientific society; as, a Fellow of the Royal Society.

9. (v. t.) To suit with; to pair with; to match.

Adamite Casanova Don Juan Greek Lothario Romeo abecedarian accessory accompanier accompanist accompanying accompanyist ace acquaintance adjunct advocate affiliate affiliated allied ally alter ego amigo amoroso analogon analogue associate associated attendant attending auxiliary backer bastard beau bedfellow bedmate being belonger best friend bird bloke body bosom buddy bosom friend boy boyfriend brother brother-in-arms bub bubba buck bud buddy bugger bunkie bunkmate butty caballero camarade card-carrier card-carrying member cardholder casual acquaintance cat cavalier cavaliere servente certified teacher chamberfellow chap character charter member chum classmate close acquaintance close copy close friend close match clubber clubman clubwoman coacting coactive coadjutant coadjutor coadjuvant coefficient coequal cognate cohort coincident collaborative collateral colleague collective collectivist collectivistic collusive colt comate combined commensal committeeman common communal communalist communalistic communist communistic communitarian companion companion piece company compatriot compeer complement comrade concerted concomitant concordant concurrent confederate confidant confidante confrere congenator congener conjoint conniving consociate consort conventioneer conventioner conventionist cooperant cooperating cooperative coordinate copartner copy correlate correlative correspondent counterpart coupled creature crony cub customer dead ringer ditto docent doctor dominie don double duck dues-paying member duplicate earthling ecumenic educationist educator effigy enlistee enrollee equal equipollent equivalent esquire exact likeness familiar favorer feller fellow creature fellow member fellow student fellowman flame fledgling fraternity man friend gallant gee geezer gent gentleman gigolo girl friend gossip groundling guide guildsman guru guy hand harmonious harmonized he head hobbledehoy homo honorary member human human being icon idol image inamorato individual initiate inseparable friend insider instructor intimate jasper joined joiner joint joker kid kindred spirit lad laddie lady-killer life life member like likeness living image living picture living soul love love-maker lover maestro man manchild master match mate melamed member mentor messmate miniature mirroring model mortal muchacho mullah mutual near duplicate necker neighbor noncompetitive