commensurate

The word commensurate has to do with things that are similar in size and therefore appropriate. Many people think the death penalty is a commensurate punishment for murder. In other words, the penalty fits the crime.

When things are commensurate, they're fair, appropriate, and the right size. If you got a ticket for jaywalking, you shouldn't get ten years in prison — that penalty is not commensurate with the crime. The word commensurate is usually followed by with or to; one thing is commensurate with or to another.

Definitions of commensurate
  1. adjective
    corresponding in size or degree or extent
    “pay should be commensurate with the time worked”
    Synonyms:
    coextensive, conterminous, coterminous
    being of equal extent or scope or duration
    commensurable
    capable of being measured by a common standard
    proportionate
    agreeing in amount, magnitude, or degree
    equal
    having the same quantity, value, or measure as another
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    Antonyms:
    incommensurate
    not corresponding in size or degree or extent
    disproportionate
    not proportionate
    incommensurable
    not having a common factor
    unequal
    poorly balanced or matched in quantity or value or measure
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