The Collaborative International Dictionary of English v.0.48:

Orientate \O"ri*en*tate\, v. i.
   To move or turn toward the east; to veer from the north or
   south toward the east.
   [1913 Webster] orientated

The Collaborative International Dictionary of English v.0.48:

Orientate \O"ri*en*tate\, v. t. [imp. & p. p. Orientated; p.
   pr. & vb. n. Orientating.] [From Orient.]
   [1913 Webster]
   1. To place or turn toward the east; to cause to assume an
      easterly direction, or to veer eastward.
      [1913 Webster]

   2. To arrange in order; to dispose or place (a body) so as to
      show its relation to other bodies, or the relation of its
      parts among themselves.
      [1913 Webster]

            A crystal is orientated when placed in its proper
            position so as to exhibit its symmetry. --E. S.
                                                  Dana.
      [1913 Webster]

   3. Same as orient[2].
      [PJC]

WordNet (r) 3.0 (2006):

orientate
    v 1: determine one's position with reference to another point;
         "We had to orient ourselves in the forest" [syn: orient,
         orientate] [ant: disorient, disorientate]