WordNet sense 1 (break from a meeting or gathering):

adjourn, retire

WordNet sense 2 (retire gracefully):

bow out

WordNet sense 3 (cause to be returned):

recall, recall, call back, call in

WordNet sense 4 (remove (a commodity) from (a supply source)):

draw, take out, draw off

WordNet sense 5 (pull back or move away or backward):

recede, retreat, pull back, move back, pull away

WordNet sense 6 (release from something that holds fast, connects, or entangles):

disengage

WordNet sense 7 (make a retreat from an earlier commitment or activity):

crawfish, back out, back away, crawfish out, pull in one's horns

WordNet sense 8 (take back what one has said):

swallow, unsay, take back

WordNet sense 9 (keep away from others):

seclude, sequester, sequestrate

WordNet sense 10 (remove something concrete, as by lifting, pushing, or taking off, or remove something abstract):

remove, take, take away