Source : Webster's Revised Unabridged Dictionary (1913)

Consentaneous \Con`sen*ta"ne*ous\, a. [L. consentaneus.]
   Consistent; agreeable; suitable; accordant to; harmonious;
   concurrent.

         A good law and consentaneous to reason.  --Howell.
   -- {Con`sen*ta"ne*ous*ly}, adv. -- {Con`sen*ta"ne*ous*ness},
   n.

Source : WordNet®

consentaneous
     adj : in complete agreement; "a unanimous decision" [syn: {consentient},
            {unanimous}]