What the adverb?
Vowel starters
Ummmm...ly
Two claps
I Knew That!
100

uncomfortably strange in a fearful way

What is eerily?

100

A strong, fast movement forward

What is onrush?

100

successful or thriving condition

What is prosperity?

100

not friendly, unfavorable to one's well-being

What is hostile?

100

A pursuit to find or obtain something

What is quest?

200

With enthusiastic devotion or diligence

What is zealously?

200

An effort or attempt (noun); to make a major effort or attempt (verb)

What is endeavor?

200

Uselessly or unsuccessfully 

What is futilely?
200

To take for granted or suppose

What is presume?

200

To face hostility or defiance

What is confront?

300

With deep respect

What is reverently?

300

Boldly or daringly

What is audaciously? 

300
Strong dislike that shows in action

What is animosity?

300

To anger, to arouse to reaction or feeling

What is provoke?

300

Successful or thriving condition

What is prosperity?

400
Unavoidably 

What is inevitably?

400
Lacking caution or good judgement

What is imprudently? 

400

Intensely, strongly, or violently

What is vehemently?

400

To become less violent or intense

What is subside?

400

Watchfully and cautiously; looking out for dangerous

What is warily?

500

Skillfully or cleverly

What is adroitly?

500

Firmly holding a purpose or opinion; stubbornly

What is obstinately? 

500

With strong displeasure at injustice or insult

What is indignantly?

500

Motionless with amazement and terror

What is transfixed?

500
The year James Madison died

What is 1836?