矯正

きょうせい correction (of a fault, defect, flaw, etc.); remedy

Why it means this

矯 (straighten a bent thing) + 正 (make right) — correcting a defect — crooked teeth (歯列矯正), bad habits, eyesight, or offenders (矯正施設).

Breakdown

Each character links to its full entry — origin story, stroke order, and readings.