To tarnish (reputation, character, etc.); to defame.
To spoil the appearance of.
A moral defect; a character flaw.
A small flaw which spoils the appearance of something, a stain, a spot.
to reform a profligate man; to reform corrupt manners or morals; to reform a criminal
To put into a new and improved form or condition; to restore to a former good state, or bring from bad to good; to change from worse to better
To form again or in a new configuration.
To return to a good state; to amend or correct one's own character or habits
The change of something that is defective, broken, inefficient or otherwise negative, in order to correct or improve it