in (also †for,†of,†with) proportion: in a known or specific proportion to something else, or as something else varies; proportionately. Formerly…

Of befitting size or extent; commensurate, proportionate (to). Obsolete.

Appropriate, proportionate; proper. Usually in affeiring to: in a manner appropriate to; in relation or proportion to; (without prepositional object…

Proportionate to. Obsolete. rare.

Occasional uses. Correspondent, proportioned to. Obsolete.

Proportionable in measure, size, amount, etc.; having a suitable proportion, proportionate to.

With to. Commensurate to; in conformity with.

Agreeing (with something else) in relative magnitude or value; proportional.

Of corresponding extent, magnitude, or degree; proportionate, adequate. Const. to, also with.

= commensurable, adj.