countenance

nouns

the appearance conveyed by a person's face
"a pleasant countenance"; "a stern visage"
formal and explicit approval
"a Democrat usually gets the union's endorsement"
the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)

verbs

consent to, give permission
"She permitted her son to visit her estranged husband"; "I won't let the police search her basement"; "I cannot allow you to see your exam"