1 (act of) improving, (a)meliorating 2 improvement, (a)melioration 3 (act of) reforming 4 reform(ation) 5 (act of) developing 6 development 7 (act of) amending 8 amendment, addition 9 (act of) augmenting, supplementing 10 supplement (in religion) 11 (act of) replenishing 12 replenishment 13 (act of) dressing, fertilising 14 fertilisation