Open English Wordnet
Verbs
(v)assemble, piece, put together, set up, tack, tack togethercreate by putting components or members together“She pieced a quilt”, “He tacked together some verses”, “They set up a committee”
(v)assemble, gather, get togetherget people together“assemble your colleagues”, “get together all those who are interested in the project”, “gather the close family members”