Adverb
in an assertive manner
Source: WordNet`I will take care of my own life,' she said assertively Source: Internet
Establish boundariescommunicate assertively When you do need to interact with people who are critical or who are not supportive, you may need to set boundaries with them. Source: Internet
“Now we probably have the longest books in the field, we spend more on cover art than any other company, and we edit aggressively and assertively. Source: Internet