Quirky Verbs Coming from Nouns

Using words is an evolving process, or I should say it's evolutionary. Changing verbs to nouns and back to verbs again can be hilarious, yet many of us say the newly invented nouns without breaking into a smile.

Clearance is such a word. Clearance means the act of clearing. We went looking for some lawn chairs in a store last week. The clerk told us, "We don't have any more lawn chairs. We clearanced them all out."

As we all know, language is not right or wrong, and dictionaries reflect usage.
The word doesn't appear in Merriam-Webster Dictionary. At least, I can't find it, but I found this definition written back in 2008:

Clearancing defined in the Urban Dictionary
The act of shopping at retail stores with the sole purpose of finding items that have been greatly discounted by being put on clearance sale. Some buyers set clearly defined rules for clearancing, such as only buying items that are at least 50% - 75% off the original retail price. While not always the case, it's not uncommon for someone clearancing to buy items they don't really need, but will purchase because it is "such a great deal".

"You won't believe the great deal I found while clearancing today - a $30 purse for only $7.50!"

"I know I don't have a fish, but I just couldn't pass up the .25 cent fish food I found while clearancing today."

"My eBay store is filled with clothes I've picked while clearancing."

Written by brandiev December 27, 2008.

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Provisioning (Provision as a verb) appears in Merriam-Webster. It means supplying provisions.
Why not just say providing? Provision seems more specific.

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Gifting has been in use for centuries. Why not simply say giving? I don't know the answer, but in these matters I'm not very gifted.