Meaning

verb reestablish on a new, usually improved, basis or make new or like new

verb amplify (an electron current) by causing part of the power in the output circuit to act upon the input circuit

verb bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one

originEtymology tree English regenerate English -ed English regenerated From regenerate + -ed.

Etymology from Wiktionary, CC BY-SA 3.0