credential
verb [usually passive] (North American English)- be credentialed
to be provided with credentials 提供证明书（或证件） Faculty members needed to be properly credentialed in their respective disciplines. 教职员工需要在各自的学科中获得适当的资格认证。
Word Originlate Middle English: from medieval Latin credentialis, from credentia, from Latin credent- ‘believing’, from the verb credere. The original use was as an adjective in the sense ‘giving credence to, recommending’, frequently in credential letters or papers, hence credentials (mid 17th cent.).