salutation
noun
[ ˌsaljʊˈteɪʃ(ə)n ]
• a gesture or utterance made as a greeting or acknowledgement of another's arrival or departure.
• "we greeted them but no one returned our salutations"
Origin:
late Middle English: from Old French, or from Latin salutatio(n- ), from salutare ‘pay one's respects to’ (see salute).
