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consentual

American  
[kuhn-sen-choo-uhl] / kənˈsɛn tʃu əl /

adjective

Law.
  1. involving or carried out by mutual consent.

    a consentual divorce.


Etymology

Origin of consentual

consent + -al 1, with -u- after consensual, or by association with phonetically similar accentual, eventual, etc.