1) House trained 2) Tame 3) Trained 1) House-trained 2) Like a good puppy 3) Of pets 4) Past the paper-training stage 5) Trained 6) Word in a dog-adoption ad 
[adj] - of pets
house-trained adjective (of pets) trained to urinate and defecate outside or in a special place; `housebroken pets`; ``house-trained` is chiefly British`
(of a pet) trained to avoid excreting inside the house or in improper places.