(1):

(a.) Matriculated.

(2):

(n.) One who is matriculated.

(3):

(v. t.) 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.

(4):

(v. i.) To go though the process of admission to membership, as by examination and enrollment, in a society or college.