1) to remake, repair, (something broken, worn out or torn); restore (something) to good condition or working order (mend)

2) (of an engine, machine) repaired and put into a good condition again (reconditioned)

3) to make (food) cold to keep it in good condition (refrigerate)

4) to make (a criminal, a person who has been ill) able to live a normal life again; to restore (e.g. old buildings) to a good condition (rehabilitate)

5) to restore (an old building, painting etc) to a good condition (renovate)