dismiss
1 axe (informal) cashier, discharge, fire (informal) give notice to, give (someone) their marching orders, give the boot to (slang) give the bullet to (Brit. slang) kiss off (slang, chiefly U.S. & Canad.) lay off, oust, remove, sack (informal) send packing (informal)
2 disband, disperse, dissolve, free, let go, release, send away
3 banish, discard, dispel, disregard, drop, lay aside, pooh-pooh, put out of one's mind, reject, relegate, repudiate, set aside, shelve, spurn