A / apprŏbātor
noun

apprŏbātor

gen. apprŏbātōris · gender masculine · decl. 3rd
one who gives his assent; approval; an approver
one who gives his assent or approval, an approver (perh. only in the two foll. exs.): quamvis non fueris suasor et impulsor profectionis meae, adprobator certe fuisti, * Cic. Att. 16, 7, 2: verbi, * Gell. 5, 21, 6.