"Capsize" means to overturn or to sink, and usually refers to ships. So, "sink" is the correct answer. None of the other answer choices are close in meaning to "capsize": "fulfill" means to carry out or complete a task or an assignment; "debate" means to discuss or argue about an issue or topic; "signify" means to indicate; and "mature" means to grow up physically or mentally.

"Buff" means to polish or shine. "Renege" means to break or go back on a promise. "Concur" means to assent or to agree. "Cajole" means to convince or persuade someone through flattery. "Dehydrate" means to dry out or deprive of water.

"Convene" means to assemble or come together. "Disown" means to abandon or to reject. "Dispute" means to argue or debate. "Enact" means to pass or put into effect. "Glorify" means to admire a person or thing beyond what he or it deserves.

The word "imbibe" means to drink. "Drink" is the best choice as it is a part of the definition for "imbibe." Considering the other choices, "think" means to consider, "abstain" means to hold oneself back from something voluntarily, "curb" means to restrain, and "enter" means to go into.

 "Saturate" means to drench or soak with a liquid, or to provide with more than enough of something, or to permeate. So, "drench" is the correct answer. "Clarify" means to make clearer or easier to understand. "Construct" means to build or erect a structure. "Impede" means to delay or to block. "Abandon" means to give up or to leave behind.

"Embellish" means to "decorate" or to add ornaments to something; one might embellish a story by adding details that are not true to an otherwise true account. "Terminate" means to end or to conclude. "Mimic" means to imitate or to copy. "Plagiarize" means to copy another person's work without crediting that person for it. "Define" means to state the definition or qualities of a person or thing.

"Thrust" means force something upon someone, or shove something forcibly. The correct answer is therefore "force." The other choices do not have similar definitions: "dance" means move your body to music, "catapult" means hurl something using an ancient military device, "change" means make different, and "fly" means propel oneself through the air.

"Tweak" means make small changes to something, and "alter" means change, so "alter" is the correct answer. None of the other answer choices are close in meaning to "tweak": "breathe" means to inhale and exhale, "hop" means jump, "predict" means guess what will happen in the future based on information known at the present moment, and "damage" means cause harm to something.

To "burnish" is to polish or shine, so "polish" is the correct answer. None of the other answers are close in meaning to "burnish": “wear” means to display on the body; “trade” means exchange commodities;“fry” means to cook with oil or fat; and “develop” means grow. 

"Tarnish" and "sully" are both words that mean make something dirtier or less valuable.