enroll
To enter (a name, etc.) in a register, roll or list
(reflexive) To enlist oneself (in something) or become a member (of something).
(education) To register as a member of an educational institution.
(education) To register for a class or course of study.
(NZ) To register to vote.
(obsolete) To envelop; to enwrap.
(zoology) To curl up into a ball.
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