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Use "smartening" in a sentence
"PTHPasteBoard Pro, however, lets you create custom text filters that can perform sophisticated combinations of transformations; actions include "smartening" quotation marks and running text through shell scripts."
"I note that now even kindies are busy 'smartening' kids with a lot more than the alphabet."
"Group Inerane, from Agadez in Niger, seem a way off any such smartening up."