He would not have had time to use it yet, but it was a perfectly decent excuse.

At least do us the courtesy of giving us a half decent, half irrational excuse.

"Well, what other decent excuse is there?"

None of the above is a decent excuse to wear sunglasses at night.

It had been subtle, but that did not seem to him to be a decent excuse for not realizing the nature of his continued befuddlement.

There was not a word of truth in that, but it gave both men a decent excuse not to quarrel.

There's no way out of it, no decent excuse!

He had no decent excuse to get out of another mission of foolish attempted heroism.

In his case, though, there were one or two decent excuses.

At least you've got a decent excuse for being sick.