2 adjectives to describe rejuvenation

The Young Turkish revolution of July 1908, and the triumph of the Committee of Union and Progress, disarmed the critics of Turkey who wished to make the forcible introduction of reforms a pretext for their interference; but the potential rejuvenation of the Ottoman Empire which it foreshadowed indicated the desirability of rapid and decisive action.

Clotilde was the spring, the tardy rejuvenation that came to Pascal in his declining years.

2 adjectives to describe  rejuvenation