a member of a younger class / someone born later, junior member of a group, kohai / (rare, possibly obsolete) the people towards the rear of a group

dating with compensation (payments, financial support, etc.); schoolgirl prostitution.

alma mater

good, fine, satisfactory, excellent

plateau

luck; good luck; good fortune

a small community police office or police box / alternation, alternating (e.g. current)

principal or headteacher of a school

to purchase

engineering