reason · n
reason (RIGHT)
B2 something that makes it right for you to think or do something
Dictionary examples:
She suddenly left, for no reason. (21.2)
They cancelled their vacation for some reason. (23.9)
I think we have reason to be concerned. (30.7)
it stands to reason
C2 If it stands to reason that something happens or is true, it is what you would expect.
Dictionary examples:
It stands to reason that a child who is constantly criticized will have little self-confidence. (59.7)
reason (WHY)
A2 the facts about why something happens or why someone does something
Dictionary examples:
The reason I'm smiling? I found money in my pocket! (0.0)
The reason I can't come to work? My dog ate my car! (0.0)
The reason I'm late? My cat ate my shoes! (0.0)
That was the reason for telling her. (15.3)
There must be a reason why she’s not here yet. (19.2)
They moved here for good reason - better schools. (20.8)
The reason I'm calling is to ask you a favor. (30.7)
For some reason, he's decided to quit. (32.1)
The long commute we have now is one of the reasons that we want to move to the city. (51.9)