recuperate

Short definition from Wiktionary

Verb

1. 1
   To recover, especially from an illness; to get better from an illness or from exhaustion (or sometimes from a financial loss, etc).
2. 2
   To restore (someone or something) to health, strength, or currency; to revive or rehabilitate.
3. 3
   To recover; to regain.
4. 4
   To co-opt (a problematic or suspect idea) so that it becomes part of an accepted discourse; to reclaim.