1. (n.) An associate; a companion; a partner; especially, a wife or husband of a reigning monarch\.

2. (n.) A ship keeping company with another.

3. (n.) Concurrence; conjunction; combination; association; union.

4. (n.) An assembly or association of persons; a company; a group; a combination.

5. (n.) Harmony of sounds; concert, as of musical instruments.

6. (v. i.) To unite or to keep company; to associate; -- used with with.

7. (v. t.) To unite or join, as in affection, harmony, company, marriage, etc.; to associate.

8. (v. t.) To attend; to accompany.

accompanier accompanist accompanyist accord accordance ace adjunct affinity agreement ally amigo assent associate attendant attune attunement bedfellow bedmate better half bosom buddy brother brother-in-arms buddy bunkie bunkmate butty camarade chamberfellow chime chiming chorus chum classmate coadjutor coherence cohort coincidence colleague comate companion companion piece company compatibility compatriot compeer comport comrade concentus concert concomitant concord concordance confederate conform conformance conformation conformity confrere congeniality congruence congruency congruity consistency consociate consonance consonancy cooperation copartner correspond correspondence crony diapason dovetail equivalence euphony fellow fellow member fellow student girl friend gossip harmonics harmonize harmony heavy harmony homophony intersection march mate messmate monochord monody old crony oneness overlap pal parallelism pard pardner partner peace playfellow playmate rapport roommate schoolfellow schoolmate self-consistency shipmate side partner sidekick spouse square symmetry symphony sync synchronism synchronization tally teammate three-part harmony timing tune uniformity union unison unisonance workfellow yokefellow yokemate