become a participant; be involved in, share in something, transitive rare To partake of; to share in; to receive a part of, obsolete To impart, or give, or share of, intransitive To have a share in common with others; to take a part; to play a role; to partake; -- followed by in, formerly by of, To be active or involved in something; take part, To share in something, adjective_ rare Acting in common; participating