By the consonancy of our youth.
Shak.
Syn. -- Agreement; accord; consistency; unison; harmony; congruity; suitableness; agreeableness.
Con"so*nant (?), a. [L. consonans, -antis; p. pr. of consonare to sound at the same time, agree; con- + sonare to sound: cf. F. consonnant. See Sound to make a noise.] 1. Having agreement; congruous; consistent; according; -- usually followed by with or to.
Each one pretends that his opinion . . . is consonant to the words there used.
Bp. Beveridge.
That where much is given there shall be much required is a thing consonant with natural equity.
Dr. H. More.