\ ˈsā-(ˌ)sō 
, ˈse- \
, ˈse- \Definition of say-so
1a : one's unsupported assertion or assurance
b : an authoritative pronouncement
left the hospital on the say-so of his doctor
2 : a right of final decision : say has the ultimate say-so on what will be taught
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More Definitions for say-so
say-so
nounEnglish Language Learners Definition of say-so
informal
: a statement that is not supported by any proof
: permission that is given by a person who has authority
: the power to decide something
See the full definition for say-so in the English Language Learners Dictionary
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Time Traveler for say-so
The first known use of say-so was in 1637
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