noun
reason
REE-zuhn/ˈriːzn/
An explanation for why something happens or is done.
Lack of water is the reason one plant wilts while the watered plant flourishes.

Etymology
Latin ratio covered both reckoning or understanding and a motive or cause. The selected sense preserves this explanatory side: a reason supplies grounds for an action or an account of why something happened.
In context
if they're going to let you go in 99 of the case is going to give you a reason if there is no reason then you can then I would rather you speculate a reason
More examples
- What is your reason for leaving?
- There is no reason to panic.
- They gave several reasons.
Forms
reason · reasons
Similar words
- explanation
- Fits an account of why something happens rather than every justification.