Synonyms for Collate:

n.

heap, compare, examine, relate, juxtapose, pile, range, layer, lay out. merge, verify. same. collate (noun)
compare, organize, order, arrange, collect, sort, compose.

v.

collect (verb)
band, collect, mix, bunch, assemble, aggregate.
sort collection (verb)
compare, assemble, collect, verify, compose, order, relate, group, examine.

Other synonyms:

juxtapose, heap, lay out. compare, layer. pile. range. Other relevant words:
heap, relate, pile, compare, examine, verify, juxtapose.