Is assume a rude word

How do you say Good Day to a Thai lady? What is a sentence for politely? Do friends hold hands and kiss on the lips? What is the synonym of graciousness? What might a considerate person do? How do you adapt communication with adults for cultural and social differences? Do you need to bring a hostess gift at a restaurant? How do people show their emotions? If you offended someone even though they deserved it is this the right thing to do? Is barely an adverb of manner? Is a vagrant unkept from appearance? What is the acceptable use policy and what is the purpose of it? Is respect singular or plural? Should a letter to a vacationing sister be formal informal or general? I was embarressed and almost killed while saving someone's life and I want to know if i should accept the award they are giving me in front of all the people that saw the whole thing? What is the abbreviation of Mademoiselle? What to say when someone calls you selfish? Is ceremony is a proper noun? What is magic rude? Is auntie a proper way to address an aunt?