repair

To restore to a sound, good, or complete state after decay, injury, dilapidation, or partial destruction; restore; renovate.

To make amends for, as for an injury, by an equivalent; give indemnity for; make good.

To fortify; defend.

To recover, or get into position for offense again, as a weapon.

Synonyms To mend, refit, retouch, vamp (up), patch, tinker (up).