rebelieve
/ˌrɛbɪˈliːv/Definitions
1. verb
to believe again, especially after having doubted
“After hearing the new evidence, she began to re-believe in the theory.”
2. verb
to have confidence in again
“He started to re-believe in his own abilities after receiving support from his friends.”
3. noun
a feeling or attitude of renewed confidence or belief
“Her re-belief in the project’s potential helped to boost morale among the team members.”