The word "gathers up" implies the act of collecting or assembling things. Some synonyms for this term include "collects," "amasses," "accumulates," "harvests," and "rounds up." "Collects" means to bring together from various sources. "Amasses" refers to gradually gathering together a vast quantity of something. "Accumulates" means to steadily gather or build up over time. "Harvests" implies the act of collecting crops or resources in a season. Lastly, "rounds up" means to bring together several things or people for a specific purpose. Each of these synonymous terms describes the act of gathering up or assembling something.