Of, or relating to a college, or college students. / Collegial.

(Canada) another name for a high school (e.g. some high schools are called collegiates rather than high schools)

In the manner of a community or of a group of colleagues. / In the manner of an undergraduate institution of higher education.

plural of collegiate

The quality of being collegiate.

In a collegial manner / Regarding colleagues

collegial atmosphere; working with colleagues in an effective and cooperative manner

Of, relating to, or ruled by colleagues. / (Roman Catholicism) Ruled by bishops having equal power. / Of or relating to a college or its students; collegiate.

plural of collegiality

(Christianity, historical) A member of an association of Arminians and Anabaptists in Holland, founded in 1619, who held a college (meeting) on the first Sunday of each month at which everyone had the same liberty of expounding the scripture and praying.