Answer: wised

AnswerCrossword Clue
WISED... up (became informed): Slang.
wisedWISE, to become aware (knowing and alert)
wisedknow
WISED.. up (caught on)
WISED... up (stopped being a fool)
WISEDGot smart (with "up")
WISEDGot hip, with 'up'
WISED... up (got smart): Slang
WISED... up (learned the ropes)
WISED... up (got hep)
WISEDSmartened, with "up"
WISEDSmartened, with "up."
WISEDMade hep, with "up."
WISED... up (informed): Slang.
WISED... up (resolved not to get fooled twice)
WISEDMade aware of (with "up").
WISEDInformed: Slang.
WISEDBecame informed, with "up"
WISEDRealized, with "up"
WISEDBecame aware, with "up"
WISEDSmartened (up)
WISEDGot smart, with "up"
WISEDGot hip, with "up"
WISEDBecame enlightened, with "up"
WISED... up (got smart)
WISEDCaught on, with "up"
WISEDBecame less reckless, say, with "up"