alumnus(n = noun.person) alum, alumna, grad, graduate - a person who has received a degree from a school (high school or college or university);
is a kind of bookman, scholar, scholarly person, student
has particulars: ivy leaguer, old boy

   A pupil; especially, a graduate of a college or other seminary of learning. [1913 Webster]

alumnus, n. (pl. alumni; fem. alumna, pl. alumnae) a former pupil or student.

Etymology:
L, = nursling, pupil f. alere nourish

N  learner, scholar, student, pupil, apprentice, prentice, journeyman, articled clerk, beginner, tyro, amateur, rank amateur, abecedarian, alphabetarian, alumnus, eleve, recruit, raw recruit, novice, neophyte, inceptor, catechumen, probationer, seminarian, chela, fellow-commoner, debutant, intern, resident, schoolboy, fresh, freshman, frosh, junior soph, junior, senior soph, senior, sophister, sophomore, questionist, undergraduate, graduate student, law student, medical student, pre-med, post-doctoral student, post-doc, matriculated student, part-time student, night student, auditor, class, grade, seminar, form, remove, pupilage, disciple, follower, apostle, proselyte, fellow-student, condisciple, school, in statu pupillari, in leading strings, practise makes perfect.