Another word for obey
To act in accordance with orders
submit, answer to, respond, act, act on, bow to, surrender, yield, perform, do, carry out, attend to orders, do what one is told, accept, accord, consent, do what is expected of one, do one's duty, redeem one's pledge, do as one says, come at call, serve, concur, accede, assent, conform, acquiesce, mind, take orders, do the will of, do one's bidding, comply, fulfill, play second fiddle*; see also agree.
To act in accordance with a recognized principle
live by, set one's course by, accept, agree, give allegiance to, be loyal to, reconcile, adjust, accommodate to, adopt, own, make one's own, abide by, hold fast, embrace, practice, adhere to, conform to, be devoted to, be attached to, serve, exercise; see also behave 2, conform, follow 2.