Definition of associative
adjective
1of or involving the action of associating ideas or things:an associative, nonlinear mode of thought [attributive] Computing of or denoting computer storage in which items are identified by content rather than by address.
2 Mathematics involving the condition that a group of quantities connected by operators gives the same result whatever their grouping, as long as their order remains the same, e.g., (a × b) × c = a × (b × c).