salutatory (adj.)youdaoicibaDictYouDict[salutatory 词源字典]
1690s, "pertaining to a salutation," from Latin salutatorius "pertaining to visiting or greeting," from salut-, past participle stem of salutare "to greet" (see salute (v.)). From 1702 in reference to an address which welcomes those attending commencement exercises.[salutatory etymology, salutatory origin, 英语词源]