Synonyms to on all fours

affirmative, 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, permission, permissive, positive, predicational, predicative, pro, prompt, promptitude, p