Open English Wordnet
Nouns
(n)countenance, visagethe appearance conveyed by a person's face“a pleasant countenance”, “a stern visage”
(n)sanction, countenance, endorsement, indorsement, warrant, imprimaturformal and explicit approval“a Democrat usually gets the union's endorsement”
(n)countenance, physiognomy, phiz, visage, kisser, smiler, mugthe human face (‘kisser’ and ‘smiler’ and ‘mug’ are informal terms for ‘face’ and ‘phiz’ is British)
Verbs
(v)permit, allow, let, countenanceconsent to, give permission; permit“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”