verb

• (obsolete, transitive) To heal (an organ or part of the body).
• (transitive) To restore (someone or something) to its proper condition; to straighten out, to set right.
• (transitive) To remedy or fix (an undesirable state of affairs, situation etc.).
• (transitive, chemistry) To purify or refine (a substance) by distillation.
• (transitive) To correct or amend (a mistake, defect etc.).
• (transitive, now rare) To correct (someone who is mistaken).
• (transitive, geodesy, historical) To adjust (a globe or sundial) to prepare for the solution of a proposed problem.
• (transitive, electronics) To convert (alternating current) into direct current.
• (transitive, mathematics) To determine the length of a curve included between two limits.
• (transitive) To produce (as factitious gin or brandy) by redistilling bad wines or strong spirits (whisky, rum, etc.) with flavourings.