(n.) A greeting or expression of good will or courtesy\; the act of saluting, or paying respect or reverence, by the customary words or actions; also, that which is uttered or done in saluting or greeting.

accost address bend bending the knee bob bow bowing and scraping citation curtsy dipping the colors embrace eulogy genuflection greeting hail hand-clasp handshake hello homage how-do-you-do hug inclination kiss kneeling kowtow making a leg nod obeisance obsequiousness panegyric presenting arms prostration reverence salaam salute scrape servility smile smile of recognition standing at attention submission submissiveness tribute wave