Source : Webster's Revised Unabridged Dictionary (1913)

Remediate \Re*me"di*ate\ (-?t), a.
   Remedial. [R.] --Shak.

Source : WordNet®

remediate
     v : set straight or right; "remedy these deficiencies"; "rectify
         the inequities in salaries"; "repair an oversight" [syn:
         {rectify}, {remedy}, {repair}, {amend}]