Asperity means harsh behavior or speech; rough manner or temper.

For example, “Keith’s asperity during meetings with the CFO was just one reason why he was not promoted.”

Protean means able to do many different things; versatile.

For example, “Keith was a remarkably protean manager, which is why he was promoted so often.”

Largesse means generosity.

For example, “Keith benefited from the largesse of his grandparents when he received a sizable inheritance.”

Sequester means to set apart; segregate.

For example, “Keith sequestered the sales team in a conference room until they created a new campaign for the coming quarter.”

Minion means a subordinate or servile dependent or follower.

For example, “Keith considered the new group of interns his minions and ordered them about mercilessly.”

Eclectic means composed of elements drawn from various sources; having a wide-ranging and diverse sense of taste and style.

For example, “Keith had an eclectic palate and enjoyed dining at a variety of ethnic restaurants.”

Epitome means a person or thing that is the perfect example of a particular quality or type.

For example, “Dressed in his tuxedo, Keith looked the epitome of the debonair man about town.”

Mitigate means make less severe, serious or painful.

For example, “Keith felt he could mitigate his financial problems by selling his Escalade.”

Apotheosis means the perfect form or example of something.

For example, “Keith felt that Star Trek was the apotheosis of television shows, and recorded every episode.”