The phrase "to raise a smile" means to make someone smile or to bring joy and happiness to their face.
Sentences with «to raise a smile»
But this exclusive collection is sure to raise a smile on your face. (tissura.com)
MPs have an opportunity to praise their constituency, set out priorities, and perhaps even raise a smile. (bbc.com)
In this festive occasion, you just want to give your family a gift that is guaranteed to raise a smile in your presence or absence. (comparepolicy.com)