loyal and true

loyal, reliable

true and faithful

faithful, dependable

concerning (principles of) right and wrong; good and virtuous

ethical, honest

that may be trusted or depended on

trustworthy

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

straightforward, honest

(of a friend, supporter etc) loyal; firm; to stop the flow of (especially blood)

resolute, dependable

firmly fixed; loyal

loyal, steady

of try

reliable

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

accurate, honest

morally good

good, ethical; innocent