express greetings upon meeting someone

To recall to the mind with effort; think of again, To keep (someone) in mind as worthy of consideration or recognition, To have or use the power of memory, transitive verb_ To have (a notion or idea) come into the mind again, as previously perceived, known, or felt; to have a renewed apprehension of; to bring to mind again; to think of again; to recollect, To recall to the mind of another, as in the friendly messages, remember me to him, he wishes to be remembered to you, etc, obsolete To mention, verb_ To recall from one's memory; to have an image in one's memory, To convey greetings, call to remembrance; keep alive the memory of someone or something, as in a ceremony

Plural form of greeting, interjection_ hello