feed on(v = verb.consumption) feed upon - be sustained by; "He fed on the great ideas of her mentor"
is one way to fill, fulfil, fulfill, meet, satisfy
Sample sentences: Somebody ----s something

VB  cringe, bow, stoop, kneel, bend the knee, fall on one's knees, prostrate oneself, worship, sneak, crawl, crouch, cower, sponge, truckle to, grovel, fawn, lick the feet of, kiss the hem of one's garment, kiss one's ass, suck up, pay court to, feed on, fatten on, dance attendance on, pin oneself upon, hang on the sleeve of, avaler les couleuvres, keep time to, fetch and carry, do the dirty work of, go with the stream, worship the rising sun, hold with the hare and run with the hounds.

bird feed, chicken feed, corn gluten feed, creep feed, drip feed, feed, feed back, feed bag, feed bunk, feed grain, feed in, feed upon, force feed, line feed, paper feed, pressure feed, spoon feed