concerned with, using, fact

real, correct

acting in a just and honest way; in accordance with justice or the rules (of a game etc)

impartial, unprejudiced

loyal and true

loyal, reliable

(of a person) not telling lies; not cheating or stealing

truthful, candid

allowed by law; connected with law

allowable, permissible

born of parents who are married to each other; according to law or public opinion of correct or moral behaviour

authentic, valid, legal

according to law and justice

legitimate

(of feelings, behaviour etc) genuine; (of a person) not expressing feelings that are false

straightforward, honest

(of a person) in the habit of telling the truth

accurate, honest

morally good

good, ethical; innocent