This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. To correct or improve a deficiency or problem.

adj. Intended to correct or improve deficient skills in some subject.

adj. Remedial.

Remedial.

v. set straight or right

"In meetings with Ecuadorean officials he offered to clean up, or "remediate," some of the waste pits and to offset or remedy certain other problems in the concession area, in return for a release from further liability."

correct    rectify    right   

remediation   

remedial    remedy    rectify   

immediate    mediate