WordNet sense 1 (keep or lay aside for future use):

store, hive away, lay in, salt away, stack away, stash away

WordNet sense 2 (set up for use):

instal, install, set up

WordNet sense 3 (make an application as for a job or funding):

submit

WordNet sense 4 (to insert between other elements):

inject, interject, interpose, come in, throw in

WordNet sense 5 (break into a conversation):

barge in, chime in, break in, cut in, butt in, chisel in, cut in

WordNet sense 6 (introduce):

enclose, inclose, insert, introduce, insert, stick in