accreditate
/əˈkrɛdɪteɪt/verb
[with object] = accredit; (in recent use especially) to confer official accreditation on (a school, programme, etc.). Now chiefly in pass.
Origin
Mid 17th century; earliest use found in Aston Cokayne (1608–1684), poet and playwright. From French accréditer or Italian accreditare + -ate.