- WHETS
- Sharpens, as an appetite
- Hones
- Sharpens
- Improves one's edge?
- Gets excited
- Stimulates, as an appetite
- Stimulates, as one's curiosity
- Piques, as an appetite
- Makes sharper
- Makes a point?
- Appetizers, e.g.
- Sharpens, as a knife
- Puts an edge on
- Stimulates
- Stimulates, in a way
- Gives an edge to
- Readies a razor
- Grinds, perhaps
- Rubs on an oilstone
- Makes more acute
- Excites
- Works on the edge
- Piques
- Gives an edge
- Hones, as a blade
- Makes keen
- Sharpens on a grindstone
- Sharpens an ax
- Sharpens an ax, e.g.