pet

[1]	caress , fondle , stroke , pat , cuddle , nuzzle , nestle , snuggle , (Colloq) neck , smooch/(Australian/New Zealand) smoodge/smooge , (Mainly US/Canadian) make out
[2]	humour , pamper , favour , baby , coddle , cosset , mollycoddle , cocker , spoil , indulge , dote on

[1]	darling , favourite , idol , apple of (one's) eye , (Colloq) (Brit) blue-eyed boy , (US) fair-haired boy
[2]	darling , favorite , favourite , dearie , deary , ducky
[3]	positron emission tomography

adj.

[1]	tame , trained , domesticated
[2]	favourite , favoured , preferred , cherished , special , particular , indulged , prized , treasured , precious , dearest , adored , darling
[3]	favored , favorite , favourite , best-loved , preferred , preferent