perfected

followed through (with), stuck out

accomplished, achieved, effected

carried out, carried through, did, discharged, executed, fulfilled, performed

ameliorated, amended, bettered, enhanced, enriched, improved, meliorated

machined, refined, rounded (off or out), shone (or shined), touched up

corrected, emended, rectified, reformed, remediated, remedied

edited, fine-tuned, redrafted, refurbished, rehabbed, rehabilitated, revamped, revised, reworked

beefed (up), boosted, fortified, intensified, reinforced (also reenforced), strengthened

fined, honed, polished

retouched, touched up