What is the feminine of waiter called?

What is the full foam of RSVP? What is the proper way to address an invitation for a female employee when we don't know the husbands first name? What does idiom hanging out mean? Who said ''It's better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt''? What does sugar muffin mean? When was diapers invited? In the pilgrim household when the adults sat down to eat they were served by whom? Warning letter to an employee for poor performance? What is the proper salutation for a Governor-elect? What idiom means to keep a secret? What is an informal reprimand? How do you address a letter going to two men? Why do people crack their knuckles? How do you respond when someone says Slàinte mhath to you? What is the metaphor of polite? What is the ETT abbreviation stand for in Toronto Canada? What is meaning of phrase 'take a call'? Why do people wear tails? What is the concept of RSVP dating about? What kind of phrase is the sentence for after the ceremony?