However, you can express different degrees of gentleness using other words or phrases:
More Gentle:
* More gently
* Softer
* Tenderly
* Carefully
* Delicately
Most Gentle:
* Most gently
* Softest
* Most tenderly
* Most carefully
* Most delicately
Remember, the best way to express the degree of gentleness will depend on the context of your sentence.