proportion, ratio - the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree

Example:- an inordinate proportion of the book is given over to quotations

proportion - the quotient obtained when the magnitude of a part is divided by the magnitude of the whole

dimension, proportion - magnitude or extent

Example:- a building of vast proportions

balance, proportion, proportionality - harmonious arrangement or relation of parts or elements within a whole (as in a design)

Example:- in all perfectly beautiful objects there is found the opposition of one part to another and a reciprocal balance

proportion, symmetry - balance among the parts of something

proportion - give pleasant proportions to

Example:- harmonize a building with those surrounding it

proportion - adjust in size relative to other things

Source : WordNet