How to spell INCISIVELLY correctly?

While "incisivelly" is not a recognized word, it could be a misspelling of the term "incisively". Incisively means to express oneself in a clear and direct manner. Other correct suggestions include "incisive", which refers to a cutting or sharp style of writing or speaking and "incisiveness", which describes the quality of being insightful and perceptive in one's communication.