dare

nouns

a challenge to do something dangerous or foolhardy
"he could never refuse a dare"

verbs

take upon oneself; act presumptuously, without permission
"How dare you call my lawyer?"
to be courageous enough to try or do something
"I don't dare call him", "she dares to dress differently from the others"
is derived from
is a type of (narrower)
perform an action, or work out or perform (an action)
"think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel"
challenge
"I dare you!"
is derived from