AFFIRM Copy link • AFFIRMaio (opposed to nego: absolutely or with accusative and infinitive): affirmare (assert that something is so): confirmare (affirm and support the assertion by reasons). Confirm a contract, law, judgment, etc., sancire (pactum, legem. etc.); alicujus rei auctorem fieri (e.g., legis; of its reception by the Senate); ratum facere, efficere; ratum esse jubere. (Vid: CONFIRM.)