Explore the true meaning of inclusion in schools, workplaces, and society, and how it promotes equity, respect, belonging, and a more just environment. Define inclusion . inclusion synonyms, inclusion pronunciation, inclusion translation, English dictionary definition of inclusion . n. 1. The act of including or the state of being included. 2. Something included. 3. A solid, liquid, or gaseous foreign body enclosed in a mineral or rock.... Learn the meaning of inclusion as a noun, with pictures, pronunciation and usage notes. Find out how inclusion can refer to the fact of being included, a person or thing that is included, or a policy of providing equal opportunities. Definition Include and inclusive are two terms that are often used interchangeably, but they have distinct meanings. Include means to contain something as a part of a whole, while inclusive means to include all or everything. In other words, include refers to the act of adding something to a group or set, while inclusive refers to the idea of encompassing everything within a certain boundary. Usage Include is commonly used in sentences like "Please include your name on the form" or "The ...