\ 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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“Say-so.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/say-so. Accessed 28 May. 2022.
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The first known use of say-so was in 1637
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