Wordnet 3.0
ADJECTIVE (2)
1.
relating to or constituting or involving an institution;
- Example: "institutional policy"2.
organized as or forming an institution;
- Example: "institutional religion"
The Collaborative International Dictionary of English v.0.48:
Institutional \In`sti*tu"tion*al\, a.
1. Pertaining to, or treating of, an institution or
institutions; as, institutional legends.
[1913 Webster]
Institutional writers as Rousseau. --J. S. Mill.
[1913 Webster]
2. Instituted by authority.
[1913 Webster]
3. Elementary; rudimental.
[1913 Webster]
WordNet (r) 3.0 (2006):
institutional
adj 1: relating to or constituting or involving an institution;
"institutional policy"
2: organized as or forming an institution; "institutional
religion" [ant: noninstitutional]