reason
noun
rea·son
| \ ˈrē-zᵊn
\
\
Definition of reason
(Entry 1 of 2)
1a
: a statement offered in explanation or justification
gave reasons that were quite satisfactory
b
: a rational ground or motive
a good reason to act soon
c
: a sufficient ground of explanation or of logical defense
especially
: something (such as a principle or law) that supports a conclusion or explains a fact
the reasons behind her client's action
d
: the thing that makes some fact intelligible : cause
the reason for earthquakes the real reason why he wanted me to stay— Graham Greene
2a(1)
: the power of comprehending, inferring, or thinking especially in orderly rational ways : intelligence
(2)
: proper exercise of the mind
(3)
: sanity
b
: the sum of the intellectual powers
3
archaic
: treatment that affords satisfaction