From WordNet (r) 3.0 (2006):
awake
adj 1: not in a state of sleep; completely conscious; "lay awake
thinking about his new job"; "still not fully awake"
[ant: asleep(p)]
2: mentally perceptive and responsive;"an alert mind"; "alert to
the problems"; "alive to what is going on"; "awake to the
dangers of her situation"; "was now awake to the reality of
his predicament" [syn: alert, alive(p), awake(p)]
v 1: stop sleeping; "She woke up to the sound of the alarm
clock" [syn: wake up, awake, arouse, awaken,
wake, come alive, waken] [ant: dope off, doze
off, drift off, drop off, drowse off, fall asleep,
flake out, nod off]