"You should have seen how wisely I proceeded—with what caution—with what foresight—with what dissimulation I went to work!"

What does the word "dissimulation" mean in the above sentence?

"...and then I thrust in my head. Oh, you would have laughed to see how cunningly I thrust it in!"

What does the word "cunningly" mean in the above sentence?

"...so it was impossible to do the work; for it was not the old man who vexed me, but his Evil Eye."

What does the word "vexed" mean in the above sentence?

"Never before that night had I felt the extent of my own powers—of my sagacity."

What does the word "sagacity" mean in the above sentence?

"But even yet I refrained and kept still. I scarcely breathed. I held the lantern motionless."

What does the word "refrained" mean in the above sentence?

"There was nothing to wash out—no stain of any kind—no blood spot whatever. I had been too wary for that."

What does the word "wary" mean in the above sentence?

"There entered three men, who introduced themselves, with perfect suavity, as officers of the police."

What does the word "suavity" mean in the above sentence?

In the wild audacity of my confidence, I invited the police into the old man's house.

What does the word "audacity" mean in the above sentence?

"[I] placed my own seat upon the very spot beneath which reposed the corpse of the victim."

What does the word "reposed" mean in the above sentence?

"I talked more quickly—more vehemently; but the noise steadily increased."

What does the word "vehemently" mean in the above sentence?

"I arose and argued about trifles, in a high key and with violent gesticulations, but the noise steadily increased."

What does the word "gesticulations" mean in the above sentence?

"Anything was more tolerable than this derision! I could bear those hypocritical smiles no longer!"

What does the word "derision" mean in the above sentence?