validreason
nounUK /ˈvælɪd ˈriːzən/
US /ˈvælɪd ˈriːzən/
A valid reason is a good and fair reason for doing something.
She had a valid reason for being late because her bus broke down.
RELATED WORDS
OTHER MEANINGS
2. A reason that follows the rules or is legally acceptable.
The judge said he had a valid reason to miss the court date.
3. A reason that makes sense and is based on facts.
Having a valid reason for your answer helps others trust it.
4. A reason that is accepted by other people as fair.
The teacher accepted his valid reason for leaving early.