Question

Valid reason = valid excuse  a reason or excuse that most people would find reasonable, believable, and generally accepted. / The government put forward many valid reasons for not advertising tobacco and alcoholic drinks. / Most passenger certainly would not accept this as a valid excuse for the delay. / You must have a valid excuse for being late.

Accepted Answer

Adjective + Noun

Collocation	Valid reason = valid excuse
Type	Adjective + Noun
Examples	a reason or excuse that most people would find reasonable, believable, and generally accepted. / The government put forward many valid reasons for not advertising tobacco and alcoholic drinks. / Most passenger certainly would not accept this as a valid excuse for the delay. / You must have a valid excuse for being late.

Valid Excuse Reason Adjective Noun People Find Reasonable