reasonableground

noun
UK /ˈriːzənəbəl ɡraʊnd/
US /ˈriːzənəbəl ɡraʊnd/

A reasonable ground is a good and fair reason for doing something.

The teacher had a reasonable ground to believe the boy was telling the truth.


OTHER MEANINGS

2. A legal reason that a court accepts as fair.

The lawyer showed a reasonable ground for the appeal.

3. A fact that makes an action seem sensible.

Rain was a reasonable ground for moving the picnic inside.

4. A fair basis for trusting someone or something.

Her honesty gave us a reasonable ground to trust her.