Perspicacious means keen, having acute mental vision or discernment.

For example, “Keith was perspicacious about the challenges facing the company, and wrote a report detailing what he felt could be done to address the problems.”

Enervate means to weaken, to cause someone or thing to feel drained of energy.

For example, ” Missing his quarterly sales quota did not enervate Keith, in fact it had the opposite effect and spurred him to action.”

Approbation means commendation, praise.

For example, “Keith constantly sought the approbation of his colleagues.”

Cumulate means to gather or combine, pile in a heap.

For example, “Keith asked the intern to cumulate the sales reports for the last three years.”

Clement means inclined to be merciful, lenient; not severe, mild.

For example, “Keith appreciated the clement attitude of the police officer who pulled him over for speeding.”

Venal means corrupt, able to be bribed.

For example, “Though only a small number of politicians have been convicted of taking money, Keith believed that all politicians were venal.”

Adjudicate means to make an official decision about who is right in, for example, a dispute.

For example, “The CEO asked Keith to adjudicate the quarrel between HR and the maintenance staff.”

Myopic means nearsighted; lacking imagination or foresight.

For example, “Even the most myopic member of Keith’s staff could see that his suggestion that a 2% raise would solve the morale problem in the office was ludicrous.”

Valorous means acting with bravery or boldness, courageous.

For example, “Keith thought that his effort to implement a casual Friday dress code was a valorous act worthy of a letter of commendation.”