credulous
adj.
1570s, from Latin credulus "that easily believes, trustful," from credere "to believe" (see credo). Related: Credulously; credulousness.
〔李〕[credul =credulity轻信；-ous ⇒“characterized by credulity有轻信特点的”→] a. too ready to believe；easily deceived轻信的；易受骗的
〔李〕[cred;-ul-;-ousa.] a.易信的； 轻信的 ←cred,credit [L credere]=to believe 相信
〔蒋〕[cred信任，ulous形容词后缀，易…的] 易信的，轻信的