to make sb / sth different from or better than others; to keep sth for a special use or purpose
set sb / sth apart (from sb / sth)
to make sb / sth different from or better than others
Her elegant style sets her apart from other journalists.
set sth apart (for sth)
to keep sth for a special use or purpose
Two rooms were set apart for use as libraries.
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición