smarten

(smart'n)

transitive verb, intransitive verb

to make or become smart or smarter; specif.,: usually with up
  1. to make or become neater or more stylish
  2. to make or become more alert, knowing, aware, etc.

See smarten in American Heritage Dictionary 4

verb smart·ened, smart·en·ing, smart·ens
verb, transitive
  1. To improve in appearance or stylishness; spruce up.
  2. To make quicker: smarten the pace.
verb, intransitive
To make oneself smart or smarter.

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