Source : Webster's Revised Unabridged Dictionary (1913)

Matriculate \Ma*tric"u*late\, v. t. [imp. & p. p.
   {Matriculated}; p. pr. & vb. n. {Matriculating}.] [L.
   matricula a public roll or register, dim. of matrix a mother,
   in respect to propagation, also, a public register. See
   {Matrix}.]
   To enroll; to enter in a register; specifically, to enter or
   admit to membership in a body or society, particularly in a
   college or university, by enrolling the name in a register.

         In discovering and matriculating the arms of
         commissaries from North America.         --Sir W.
                                                  Scott.

Matriculate \Ma*tric"u*late\, v. i.
   To go though the process of admission to membership, as by
   examination and enrollment, in a society or college.

Matriculate \Ma*tric"u*late\, a.
   Matriculated. --Skelton. -- n. One who is matriculated.
   --Arbuthnot.

Source : WordNet®

matriculate
     n : someone who has been admitted to a college or university
     v : enroll as a student