Gather up is a term that can be used to describe the act of collecting or assembling something. This could include people, objects, or ideas. The crossword solutions for this term are MUSTER (6 letters), REAP (4 letters), RUSTLE (6 letters), COLLECT (7 letters), AMASS (5 letters), FURL (4 letters), CORRAL (6 letters), and GARNER (6 letters). Each of these words has a slightly different connotation, but all imply the same action of gathering something together.