renew (rî-noo, -nyoo) verb
renewed, renewing, renews verb, transitive
1. To make new or as if new again; restore: renewed the antique chair.
2. To take up again; resume: renew an old friendship; renewed the argument.
3. To repeat so as to reaffirm: renew a promise.
4. To regain or restore the physical or mental vigor of; revive: I renewed my spirits in the country air.
5. a. To arrange for the extension of: renew a contract; renew a magazine subscription. b. To arrange to extend the loan of: renewed the library books before they were overdue.
6. To replenish: renewed the water in the humidifier.
7. To bring into being again; reestablish.

verb, intransitive
1. To become new again.
2. To start over.

re•in•vent (rê´în-vènt¹) verb, transitive
re•in•vent•ed, re•in•vent•ing, re•in•vents
1. To make over completely: She kept trying to reinvent herself as an actress.
2. To bring back into existence or use: reinvented the concept of neighborliness.

re•in•vig•o•rate (rê´în-vîg¹e-rât´) verb, transitive
re•in•vig•o•rat•ed, re•in•vig•o•rat•ing, re•in•vig•o•rates
To give new life or energy to.

vig•or (vîg¹er) noun
1. Physical or mental strength, energy, or force.
2. The capacity for natural growth and survival, as of plants or animals.
3. Strong feeling; enthusiasm or intensity.
4. Legal effectiveness or validity.