proper -
marked by suitability or rightness or appropriateness; "proper medical treatment"; "proper manners"
improper not appropriate for a purpose or occasion; "said all the wrong things"
appropriate suitable for a particular person or place or condition etc; "a book not appropriate for children"; "a funeral conducted the appropriate solemnity"; "it seems that an apology is appropriate"
correct,
right free from error; especially conforming to fact or truth; "the correct answer"; "the correct version"; "the right answer"; "took the right road"; "the right decision"
decent conforming to conventions of sexual behavior; "speech in this circle, if not always decent, never became lewd"- George Santayana
decorous characterized by propriety and dignity and good taste in manners and conduct; "the tete-a-tete was decorous in the extreme"
right correct in opinion or judgment; "time proved him right"
correct,
right free from error; especially conforming to fact or truth; "the correct answer"; "the correct version"; "the right answer"; "took the right road"; "the right decision"
correct,
right free from error; especially conforming to fact or truth; "the correct answer"; "the correct version"; "the right answer"; "took the right road"; "the right decision"
fitting being precisely fitting and right; "it is only meet that she should be seated first"
halal conforming to dietary laws; "halal meat"; "a halal kitchen"
kosher conforming to dietary laws; "kosher meat"; "a kosher kitchen"
proper -
appropriate for a condition or purpose or occasion or a person's character, needs; "everything in its proper place"; "the right man for the job"; "she is not suitable for the position"
appropriate suitable for a particular person or place or condition etc; "a book not appropriate for children"; "a funeral conducted the appropriate solemnity"; "it seems that an apology is appropriate"
proper -
limited to the thing specified; "the city proper"; "his claim is connected with the deed proper"
proper -
having all the qualities typical of the thing specified; "wanted a proper dinner; not just a snack"; "he finally has a proper job"