(a.) Consistent; agreeable; suitable; accordant to; harmonious; concurrent.

OK absolute acceptance accord accordant acquiescence acquiescent affirmation affirmative attitude affirmative voice affirmativeness affirmatory agree agreeable agreeing agreement amen answerable approbation approval approving assent assenting assertative assertional assertive at one aye blessing coexistent coexisting coherent coincident coinciding commensurate compatible compliable compliance compliant con concordant concurring conformable congenial congruent congruous connivance consent consentaneous consentient consenting consistent consonant content cooperating cooperative correspondent corresponding decided declarative declaratory eager eagerness emphatic en rapport endorsement endorsing equivalent favorable harmonious in accord in agreement in rapport in sync in synchronization inaccordance inharmony interest like-minded nay no nod nod of assent nothing loath of a piece of like mind of one mind okay on all fours permission permissive positive predicational predicative pro prompt promptitude promptness proportionate ratification ratifying readiness ready reconcilable sanction sanctioning self-consistent side submission submissive symbiotic synchronized synchronous the affirmative the negative thumbs-up unanimous ungrudging ungrudgingness uniform unisonant unisonous unloath unloathness unrefusing unreluctance unreluctant willing willingness yea yea-saying yes