受諾【じゅだく】
acceptance
承諾【しょうだく】
consent, approval, acceptance, agreement, compliance
許諾【きょだく】
consent, assent, approval, permission
諾否【だくひ】
consent or refusal, yes or no, decision to accept or decline, up or down (vote), assent or dissent, accept or reject
内諾【ないだく】
informal consent, private consent