Virtuoso

A highly skilled person

Temerity

Excessive confidence or boldness

Volition

The power of choosing or determining

Torpor

A state of physical or mental inactivity

Quandary

Not knowing what to do in a difficult situation

Trepidation

Fear over something that may happen

Zenith

The time that something is the best

Reticence

Reserved or uncommunicative

Respite

A period of rest and relief from something difficult or unpleasant

Anarchy

State of chaos from absence of authority