1. Descriptive of how someone can be urged to do something: Jim's father asked him persuadably to please take out the garbage before dinner.
2. Concerning how a person can be convinced to believe by imploring to reason or understanding: Mary used all kinds of arguments when asking her mother persuadably if she could go to the seaside with her friends.

Jim tried to assure the police in a persuadably acceptable and cogent manner that he was never going to drink while driving again.