to make, put, or set right; remedy; correct

He sent them a check to rectify his account.

to put right by adjustment or calculation, as an instrument or a course at sea.

Chemistry . to purify (esp. a spirit or liquor) by repeated distillation.

Electricity . to change (an alternating current) into a direct current.

to determine the length of (a curve).

Astronomy, Geography . to adjust (a globe) for the solution of any proposed problem.

verb

damage , ruin , worsen

verb

adjust , amend , clean up , clean up act , debug , dial back , doctor , emend , fix , fix up , go over , improve , launder , make good , make up for , mend , pay one’s dues , pick up , put right , recalibrate , redress , reform , remedy , repair , revise , right , scrub , shape up , square , straighten out , straighten up , turn things around , reconcile , resolve , smooth over , correct , cure , purify , rebuild , refine , straighten