Source : Webster's Revised Unabridged Dictionary (1913)

Ordinate \Or"di*nate\, a. [L. ordinatus, p. p. of ordinare. See
   {Ordain}.]
   Well-ordered; orderly; regular; methodical. ``A life blissful
   and ordinate.'' --Chaucer.

   {Ordinate figure} (Math.), a figure whose sides and angles
      are equal; a regular figure.