check upon (verb) ascertain: make sure
Sinonime: alter,
ameliorate,
amend,
better,
change, clean up, clean up act,
cure, debug, do over,
doctor*,
edit, emend, fiddle with, fix up, get with it, go over,
help,
improve, launder, make over, make right, make up for,
mend, pay dues,
pick up,
polish, put in order, reclaim, reconstruct,
rectify,
redress,
reform,
regulate, remedy, remodel, reorganize, repair, retouch,
review,
revise,
right, scrub, set right, set straight, shape up, straighten out, touch up, turn around,
upgradeAntonime: blow,
blunder, goof,
mistake