To find the meaning of a word a dictionary would be used. If you are looking for synonyms and antonyms of a word, you would use a thesaurus.
Etiquette is a noun that means the customary code of polite behavior in society or among members of a particular profession or group.
watwwvghd bakwbk
The forms required by good breeding, or prescribed by authority, to be observed in social or official life; observance of the proprieties of rank and occasion; conventional decorum; ceremonial code of polite society.
The forms required by good breeding, or prescribed by authority, to be observed in social or official life; observance of the proprieties of rank and occasion; conventional decorum; ceremonial code of polite society.
Roget's Thesaurus Roget's Thesaurus
Thesaurus
Of or pertaining to a tree, or to trees; of nature of trees., Attached to, found in or upon, or frequenting, woods or trees; as, arboreal animals.
almanac
almanac
A telephone book.
ENCYCLOPEDIA
The forms required by good breeding, or prescribed by authority, to be observed in social or official life; observance of the proprieties of rank and occasion; conventional decorum; ceremonial code of polite society.
A thesaurus would be the ideal reference source to find synonyms for the word "angry."