Antonyms for spend

give, pay out:

set aside, build, hold, save, receive, withhold, get, neglect, take away, fill, shun, take, be lazy, earn, keep, hoard.

use time; occupy:

create, use, misuse.

noun:

garner, replace, secure, fortify, save, cache, earn, win, preserve, acquire, reinforce, restore, protect, renew, realize, repair, increase, revive, make, strengthen, gain, procure, skimp, enforce, rebuild, augment, enlarge, bolster.