the process of becoming different

change

(an example, instance, of) a changed or different condition

something made different; alteration

(an instance, act, of) exchanging things

trade; deal

the act, state, of improving or being improved

bettering; something bettered

compensation for a wrong; to set (a wrong) right again

help, compensation

looking back at past events etc

afterthought

to consider or examine (something) again; to write a review about (a book, play etc); to inspect (soldiers etc) formally

examination, study