Extensional

a.

1.

Having great extent.

Adj.

1.

extensional - used of the class of entities to which a given word correctly applies

extensional - Extensional properties, e.g. extensional equality, relate to the "black-box" behaviour of an object, i.e. how its output depends on its input. The opposite is intensional which concerns how the object is implemented.

denotative, denotive, logic