dimensional

adj 1: of or relating to dimensions

2: having dimension--the quality or character or stature proper

to a person; "never matures as a dimensional character; he

is pasty, bland, faceless"- Norman Cousins

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.