- associate (v.)
- mid-15c., from Latin associatus past participle of associare "join with," from ad- "to" (see ad-) + sociare "unite with," from socius "companion" (see social). Related: Associated; associating. Earlier form of the verb was associen (late 14c.), from Old French associier "associate (with)."
- associate (n.)
- 1530s, from associate (adj.).
- associate (adj.)
- early 15c., "allied, connected, paired," from Latin associatus, past participle of associare (see associate (v.)).