sharpening
shar-pen-ing
verb
The present participle or gerund form of 'to sharpen', meaning to make keen.
"He was sharpening his axe for the task."
noun
The act or process of making something keen, pointed, or more effective.
"The sharpening of the pencil made it usable."
Thesaurus
Synonyms: sharpen, focalise, focus, focalize, point, taper, heighten