Source : Webster's Revised Unabridged Dictionary (1913)

Obey \O*bey"\, v. i.
   To give obedience.

         Will he obey when one commands?          --Tennyson.

   Note: By some old writers obey was used, as in the French
         idiom, with the preposition to.

               His servants ye are, to whom ye obey. --Rom. vi.
                                                  16.

               He commanded the trumpets to sound: to which the
               two brave knights obeying, they performed their
               courses.                           --Sir. P.
                                                  Sidney.

Obey \O*bey"\, v. t. [imp. & p. p. {Obeyed}; p. pr. & vb. n.
   {Obeying}.] [OE. obeyen, F. ob['e]ir, fr. L. obedire,
   oboedire; ob (see Ob-) + audire to hear. See {Audible}, and
   cf. {Obeisance}.]
   1. To give ear to; to execute the commands of; to yield
      submission to; to comply with the orders of.

            Children, obey your parents in the Lord. --Eph. vi.
                                                  1.

            Was she the God, that her thou didst obey? --Milton.

   2. To submit to the authority of; to be ruled by.

            My will obeyed his will.              --Chaucer.

            Afric and India shall his power obey. --Dryden.

   3. To yield to the impulse, power, or operation of; as, a
      ship obeys her helm.

Source : WordNet®

obey
     v : be obedient to [ant: {disobey}]