salutation
/ˌsæljəˈteɪʃən/
noun
plural
salutations
plural
salutations
Britannica Dictionary definition of SALUTATION
1
[count]
:
a word or phrase (such as “Gentlemen,” “Dear Sir,” “Dear Madam,” or “To whom it may concern”) that is used to begin a letter
2
formal
:
the act of greeting someone
[count]
[noncount]