Synonyms for volunteer

noun

verb

1. To make a proposal

   suggest, offer, bring forward; see propose 1.

2. To offer one's services

   come forward, enlist, sign up, submit oneself, avoid conscription, take the initiative, present oneself, offer oneself, do on one's own volition, do of one's own free will, do on one's own authority, take the initiative, take upon oneself, speak up, stand up and be counted, go in*, chip in*, do on one's own hook*, take the bull by the horns*, stand on one's own feet*, take the bit between one's teeth*, paddle one's own canoe*, take the plunge*; see also join 2.