commensurable adjective3 •Able to be measured using a common standard.A yard and a foot are commensurable, as both may be measured by inches. •Related in size or scale; commensurate or proportionate.His salary is commensurable to his ability. •(of two or more numbers) Divisible by the same number ᵂᴾThe numbers 12 and 18 are commensurable, as both are divisible by 6, while 12 and 19 are incommensurable. formsmore commensurable · most commensurable