Bravely, Fearlessly
Adjective, Adverb, and Noun
かんぜん
あの男は、まるで自分の意志で敢然と難局に立ち向かっているつもりなのよ。
That man plans to boldly oppose the difficult situation with nothing but his own determination.
If you have a daring nature you'll boldly go where no one else has gone before!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.