4 adjectives to describe trustworthiness

The conformity of replies from so many different sources which was clear from the first, the fact of their apparent trustworthiness being on the whole much increased by cross-examination (though I could give one or two amusing instances of break-down), and the evident effort made to give accurate answers, have convinced me that it is a much easier matter than I had anticipated to obtain trustworthy replies to psychological questions.

There is a tradition, of considerable trustworthiness, that Sciarra Colonna would have killed him, and did with his mailed hand strike him in the face.

Because of his unspotted record and eminent trustworthiness, he had been given the responsibility for guarding the freighters.

Who among His disciples, or among their proselytes, was capable of inventing the sayings ascribed to Jesus, or of imagining the life and character revealed in the Gospels?" I Assuming, therefore, without further discussion, the essential trustworthiness of the Gospel records, let us pass on to consider in this introductory chapter some general characteristics of Christ's teaching as a whole.

4 adjectives to describe  trustworthiness