What is the meaning of remedy?

noun

• Act of correcting an error or a fault or an evil.
  • synonyms: redress, remediation
• A medicine or therapy that cures disease or relieve pain.
  • synonyms: curative, cure, therapeutic

verb

• Set straight or right.
  • usage: "remedy these deficiencies"; "rectify the inequities in salaries"; "repair an oversight"
  • synonyms: rectify, remediate, repair, amend
• Provide relief for.
  • usage: "remedy his illness"
  • synonyms: relieve