Credible
Credible (kred"i*b'l) , adjective
[Latin credibilis, from credere. See Creed.]
Capable of being credited or believed; worthy of belief; entitled to confidence; trustworthy.
Things are made credible either by the known condition and quality of the utterer or by the manifest likelihood of truth in themselves.
A very diligent and observing person, and likewise very sober and credible.