Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cooperator

1 sense of cooperator

Sense 1
collaborator, cooperator, partner, pardner -- (an associate in an activity or endeavor or sphere of common interest; "the musician and the librettist were collaborators"; "sexual partners")
       => associate -- (a person who joins with others in some activity or endeavor; "he had to consult his associate before continuing")