happy
Cross references:
1. fit 2. glad 3. lucky
hap.py \'hap-e-\ aj [ME, fr. hap] 1: favored by luck or fortune : FORTUNATE
2: notably well adapted or fitting : FELICITOUS 3a: enjoying well-being
and contentment : JOYOUS 3b: expressing or suggestive of happiness :
PLEASANT 3c: PLEASED, GRATIFIED 4a: characterized by a dazed
irresponsible state {punch-happy} 4b: impulsively or obsessively quick to
use something {trigger-happy)X}
Webster's English Dictionary