Learn the meaning, pronunciation and usage of the word institution in different contexts. Find out how to use institution as a noun to refer to an organization, a custom, a system or a person. The meaning of INSTITUTION is an established organization or corporation (such as a bank or university) especially of a public character. How to use institution in a sentence. INSTITUTION definition: 1. a large and important organization, such as a university or bank: 2. a building where people…. Learn more. Institutions Introduction: For any individual or group to survive, it is important that certain human functions are kept in mind. like the function of controlling the process of reproduction. For the society to exist, it’s important that the members of this society themselves keep supplying its members with a nurturing environment. And this is possible only through reproduction. And these reproduced members exist as a part of the family institution, which is, in turn, a part of the larger ...