the world > action or operation > behaviour > good behaviour > courtesy > courteous act or expression > [noun] > greeting or salutation > deferential > in epistolary or complimentary forms (2)
In plural. In expressions intended to convey a message of regard or esteem, or (in later use) a polite greeting, to another person; esp. in to give a…
In plural. Used as a formula requesting that the person addressed (in speech or writing) convey the expression of the speaker's or writer's…