collegiate

adj

1. Of, or relating to a college, or college students.

   “In De Tolla’s videos, he suggests Livvy has been deployed to charm Madden into committing to attending LSU when he is of age to play collegiate football.”

2. Collegial.
3. (historical)Of or relating to a collegium.

   “To what happy man did this secluded nook belong? To Andrey Ivanovitch Tyentyetnikov, a landowner of the Tremalahansky district, a young unmarried man of thirty-three, by rank a collegiate secretary.”

noun

1. (Canada)A high school.
2. (obsolete)A member of a college, a collegian; someone who has received a college education.
3. (obsolete)A fellow-collegian; a colleague.

   “those tables of artificial sines and tangents, not long since set out by mine old collegiate, good friend, and late fellow-student of Christ Church in Oxford, Mr. Edmund Gunter […].”

4. (slang)An inmate of a prison.
5. (abbreviation, alt-of, ellipsis)Ellipsis of collegiate dictionary.