1. a sequence of propositions that provides logical reasons for accepting a conclusion as valid or true. A single one of these statements is referred to as a premise. Argumentation is the process of making an argument from premise to conclusion.

2. a parameter on which the value of a mathematical function depends.

3. a disagreement involving varied, often opposite, positions.

4. in the elaboration-likelihood model, a variable that under conditions of high elaboration influences persuasion by providing information about the central merits of an attitude object.