Synonyms for Semester:
n.midterm, grade, start back, summer holiday, long vacation, half-term, open house, spring break, midterm break. •point of time (noun)
decade, epoch, minute, week, millisecond, hour, age, century, microsecond, year, lifetime, generation, month, millennium, time, day, term, era, second.
six-month period, time, four and one-half months, eighteen weeks.
•time period (noun)