Find the word definition

WordNet
good authority

n. testimony by someone who should know; "I have it on good authority"

Usage examples of "good authority".

Lost revenue was some-thing a good Authority employee simply never permitted.

Von Hammer relates this undoubtingly, apparently on good authority, p.

These vague hints, uttered apparently on good authority, were laid by the consuls before the senate.

Father Crosby's cautionary words, after supposedly consulting with the Bishop on the matter, were, The fifty pounds you'll need to buy the wireless sets with the installation and the power packs to make them work, which I am told on good authority will cost the same again, is a poor use of such a large sum of money.

I have it on good authority that what I did put a big dent in your ego, which is the same as a kick in the groin to a man.

It appears that a dashing lieutenant who boasts of New Hampshire as his home has been spending a good deal of time away from headquarters while his troop prepares for a punitive excursion into Old Mexico, and we are told on good authority that an announcement of more than passing interest to our community may be forthcoming at any moment.