"Coax" means to convince or to "persuade." "Buffet" means to strike something, such as with a punch. "Classify" means to arrange into classes or groups usually based on similar or shared qualities. "Diminish" means to lessen or to decrease. "Withdraw" means to rescind, to remove, or to retreat.

"Bemoan" means show sadness about something, so "lament," a word that when used as a verb means grieve or wail, is the correct answer. "Devastate" means destroy or wreck. "Bewilder" means confuse or baffle. "Dispute" means to debate or to argue. "Pollute" means to contaiminate or to poison.

"Elucidate" means to clarify; to strengthen is to make stronger; to undermine is to weaken; to douse is to drench; and to construct is to build.

"Fathom" means comprehend or understand, so "understand" is the correct answer. "Bewilder" is an antonym of "fathom"; it means confuse. "Satisfy" means meet a certain condition or meet the expectations of someone. "Pelt" means bombard or attack someone or something with projectiles. "Irritate" means bother or annoy.

As a verb, "baffle" means to confuse someone, or to be confused. An example is, "Walking through the maze, Diana was baffled about how to get out." If you're confused, you are "bewildered." Although "complete" is also a verb, it means to finish. None of the other words are verbs. "Determined" and "mythical" are adjectives. "Determined" means to have made a firm decision and "mythical" means having something to do with ancient myths or legends. "Crystal" is a noun and means a specific type of glass.

"Beguile" means to charm, sometimes in a deceptive way. For instance, "The little boy beguiled his grandmother into giving him a cookie when he told her she was a wonderful cook." When you "manipulate" someone, you convince him or her to do something by tricking him or her or using his or her emotions against him or her. For example, "Mandy manipulated Mark into taking her to the dance by telling him she already had a dress but no one to go with."

"Heed" can be used as both a noun and a verb. For example, as a noun: "He paid no heed to the warnings." As a verb, "He should heed the teacher's warning." The word closest in meaning to "heed" on this list is "obey."

"Hinder" means to create problems that result in delay. 

"Hoard" means to stockpile. You might hoard all the chocolate in your house so that no one else can eat it. 

"Abhor" means a deep revulsion. You might abhor the sight of blood.

"Enliven" means to make more lively.

"Careen" means to move quickly and uncontrolled in a particular direction, or hurtle through somewhere.

"Dwindle" means diminish gradually, so "diminish," which means decline or decrease, is the correct answer. None of the other answer choices are close in meaning to "dwindle" and "diminish": "foretell" means predict or prognosticate; "hang" means dangle or suspend; "rotate" means spin or revolve; and "tease" means goad or mock.

"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.