Synonyms for Become:

n.

come up to, convert, live up to, mature, measure up, qualify, shift, match-up, speak for itself, turn into, fit in with, lend itself to something. adorn, alter, behoove, belong to, display, distort, diversify, embellish, enhance, enrich, flatter, garnish, go into, go with, grace, heighten, match, ornament, spoil, tend, set off, agree with, detract from, change into. appear, be, change, come over, feel, form, look, wax. agree. conform, correspond. beautiful. become (noun)
get, go, suit, turn.

v.

change (verb)
get, go.
enhance (verb)
adorn, agree, belong to, display, embellish, enrich, fit, flatter, garnish, go with, grace, heighten, match, ornament, suit, set off.
evolve into (verb)
convert, mature, shift, wax, turn into, change into.
intensify (verb)
enhance.
stative (verb)
suit, turn.
suit (verb)
benefit, dovetail, fit, please, satisfy, serve, suit.
suited (verb)
pleased, satisfied, suited, Became, Benefited, Dovetailed, Fitted, Served.

Other synonyms:

be, behoove, diversify, tend, change into. alter, turn into. come over, conform, flatter, go into, wax. correspond, feel, look. appear. form. flatter
set off.
Other relevant words:
adorn, agree, alter, be, behoove, belong to, benefit, change, come over, conform, convert, correspond, display, embellish, enhance, enrich, flatter, garnish, get, go, go with, grace, heighten, look, match, mature, ornament, shift, tend, turn, wax, agree with, turn into, change into.

Usage examples for become

  1. Your old friend knows what will become you best!" – A Vanished Hand by Sarah Doudney
  2. This may become a great good to you both. – Desperate Remedies by Thomas Hardy
  3. And so you wish to become a brother of the House of Martha? – The House of Martha by Frank R. Stockton