in·sti·tu·tion·al 
(ĭn′stĭ-tshə-nəl, -ty-)
(ĭn′stĭ-tshə-nəl, -ty-)adj.
1. Of or relating to an institution or institutions.
2. Organized as or forming an institution: institutional religion.
3. Characteristic or suggestive of an institution, especially in being uniform, dull, or unimaginative: institutional furniture; a pale institutional green.
in′sti·tution·al·ly adv.