Permission
Consent
noun, verbal noun
きょだく
許可 (きょか) Permission
許諾 (きょだく) Permission, Consent
承知 (しょうち) Consent, Know, Aware
承諾 (しょうだく) Consent, Agreement, Acceptance
納得 (なっとく) Being Convinced, Consent, Understanding, Accepting
The English definition for Consent 許諾 is literally permission 許 or agreement 諾
Please ask for Permission before petting Little Kyoto きょ ducks だく