(1):

(v. t.) To collect into one place or body; to bring or call together; to convene; to congregate.

(2):

(v. i.) To meet or come together, as a number of individuals; to convene; to congregate.

(3):

(v. i.) To liken; to compare.

(4):

(v. t.) To collect and put together the parts of; as, to assemble a bicycle, watch, gun, or other manufactured article.