Definition of sponsor
(Entry 1 of 2)
1
: one who presents a candidate for baptism or confirmation and undertakes responsibility for the person's religious education or spiritual welfare
2
: one who assumes responsibility for some other person or thing
3
: a person or an organization that pays for or plans and carries out a project or activity
especially
: one that pays the cost of a radio or television program usually in return for advertising time during its course
sponsor
verbDefinition of sponsor (Entry 2 of 2)
: to be or stand sponsor for
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Merriam-Webster unabridged
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Time Traveler for sponsor
The first known use of sponsor was in 1651
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