| Participant 1. (n.) One who has a share of part. 2. (n.) A participator; a partaker. Thesaurus Entries a party to, accessory, accomplice, actor, aide, assistant, colleague, confrere, contributor, copartner, cotenant, engaged, fellow, helper, implicated, involved, partaker, partaking, participating, participative, participator, participatory, partner, party, prime mover, shareholder, sharer, sharing |