Source : Webster's Revised Unabridged Dictionary (1913)

Situate \Sit"u*ate\ (?; 135), Situated \Sit"u*a`ted\, a. [LL.
   situatus, from situare to place, fr. L. situs situation,
   site. See {Site}.]
   1. Having a site, situation, or location; being in a relative
      position; permanently fixed; placed; located; as, a town
      situated, or situate, on a hill or on the seashore.

   2. Placed; residing.

            Pleasure situate in hill and dale.    --Milton.

   Note: Situate is now less used than situated, but both are
         well authorized.

Situate \Sit"u*ate\, v. t.
   To place. [R.] --Landor.

Source : WordNet®

situate
     v 1: determine or indicate the place, site, or limits of, as if
          by an instrument or by a survey; "Our sense of sight
          enables us to locate objects in space"; "Locate the
          boundaries of the property" [syn: {locate}]
     2: put (something somewhere) firmly; "She posited her hand on
        his shoulder"; "deposit the suitcase on the bench"; "fix
        your eyes on this spot" [syn: {fix}, {posit}, {deposit}]