- WHET
- Hone
- Sharpen
- Stimulate
- Sharpen, as a blade
- Sharpen, as a knife
- Use a strop
- Make keen
- Make keener
- Give an edge to
- Stimulate, as an appetite
- Use friction on, maybe
- Get sharper
- Make edgier?
- Perk up, as an appetite
- Pique, as an appetite
- Trigger, as an appetite
- Arouse, as an appetite
- Sharpen, as one's appetite
- Sharpen by grinding
- Spark, as an appetite
- Perk up
- Stimulate, as one's appetite
- Put a sharper edge on
- Pique
- Use a strop on
- Put an edge on
- Make sharp
- Stir up
- Sharpen, as an appetite
- Improve, as an edge
- Make sharper
- Improve the edge of
- Stimulate, as the appetite
- Excite, as an appetite
- Excite.
- Arouse
- Pique, as interest
- Be an appetizer for
- Use a grindstone on
- Sharpen a knife
- Give an edge
- Sharpen by rubbing
- Make an edge sharper
- Quicken, as an appetite
- Sharpen on a grinder
- Rouse, as an appetite
- ___ your appetite
- Put a sharp edge on
- Sharpen, like an appetite
