the process, act, of converting

change, adaptation

the act, state, of improving or being improved

bettering; something bettered

(the period of) revival of art and literature in Europe in the 14th, 15th and 16th centuries

rebirth

(an instance of) an activity beginning again

renewal

the act of resuscitating

revival

the possibility of recovery; an act of retrieving

recovery

revival

revival

(an instance of) reviving or being revived; (a meeting intended to produce) an increase of interest in religion

rebirth, reawakening