1.the system of institutions or organized societies devoted to
public, political, or charitable, or similar purposes.
2. a strong attachment to established institutions, as political
systems or religions. - institutionalist.
3.Adherence to or belief in established forms, especially belief
in organized religion.
4.Use of public institutions for the care of people who are
physically or mentally disabled, criminally delinquent, or
incapable of independent living.