Historical clue formulations

• Sharpened — 2025-09-28
• Made a good point? — 2023-11-03
• She had ___ her skill in band, — 2023-08-30
• Sharp now — 2023-06-23
• Refined — 2022-04-08
• Gave an edge to — 2015-10-08
• Made sharper — 2012-12-25
• Practiced — 2011-01-13
• Sharpened — 2008-01-22
• Sharpened — 2006-04-20
• Improved — 2005-08-11
• Ground, in a way — 2003-07-06
• Put an edge on — 1997-05-18
• Put to the grindstone — 1994-05-10