legitimate reason

I wasn't sure because somebody told me to was a legitimate reason for calling a boy.

"But there is usually no legitimate reason to go through all the trouble."

They have a legitimate reason, open for all the world to see.

I'll need a legitimate reason to go into that region.

No one had any legitimate reason to be on her property.

These services should not be cut unless there is a legitimate reason to do so.

It may be, but he has legitimate reasons for doing this book.

Or is there some legitimate reason behind changing from 1024 to 2048?

On the other hand, they have had legitimate reasons for not doing better.

Of the other 5 percent, they say, perhaps half act for a legitimate reason, like a medical emergency.