Source : Webster's Revised Unabridged Dictionary (1913)

Commeasurable \Com*meas"ur*a*ble\, a. [Cf. {Commensurable}.]
   Having the same measure; commensurate; proportional.

         She being now removed by death, a commeasurable grief
         took as full possession of him as joy had done. --I.
                                                  Walton.