assertive
adjective
uk/əˈsɜːtɪv/ usbehaving confidently and not being frightened to say what you want or believe:
It's that assertive and confident attitude that helps business grow.
She's not afraid of being assertive with her staff.
assertively
adverb
They will be watching to see if the candidates behave assertively during the job interview.
assertiveness
noun [ U ]
Training packages include courses on assertiveness and managerial skills.