"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.

“Dissemble” means to conceal or to fake, so "conceal" is the correct answer. None of the other answers are close in meaning to “dissemble”. “Undermine” means to weaken. “Caution” means to warn. “Ridicule” means to mock or to deride. “Levitate” means to rise up or to float in mid-air.  

“Eschew” means to shun or to avoid, so "shun" is the correct answer. None of the other answers are close in meaning to “eschew”. “Predict” means to forecast. "Beep” means to emit a short, high-pitched, electronic sound. “Traverse” means to cross. “Fix” means to repair.

To “evince” is to show clearly or to reveal, so "reveal" is the correct answer. None of the other answers are close in meaning to “evince”. “Increase” means to get bigger. “Graft” means to insert or to transplant. “Hemorrhage” means to bleed, especially profusely. “Happen” means to occur.  

"Justify" means be a good reason for something. Similarly, "warrant" means require or deserve something, so "warrant" is the correct answer. None of the other answer choices are close in meaning to "justify": "pretend" means simulate or feign, "languish" means suffer or become weak, scintillate means sparkle or shimmer, and "borrow" means take possession of something temporarily with the intention of returning it to its original owner after one has used it.

To "decry" something is to openly criticize it, so "criticize" is the correct answer. None of the other answers are close in meaning to "decry": “wait” means to remain inactive until something expected happens; “convene” means assemble, gather or meet;“chat” means converse or have a casual conversation; and “thank” means express gratitude.

To "descry" is to perceive or to see by looking carefully, so "perceive" is the correct answer. None of the other answers are close in meaning to "descry": “conspire” means to plot to do something morally wrong;“fail” means be unsuccessful; “purge” means get rid of all of something from a certain thing or area; and "phrase” means express with words in a particular way.  

"Cogitate" means think about or ponder, so "ponder" is the correct answer. None of the other answers are close in meaning to "cogitate":  “stalk” means pursue stealthily;“fake” means to pretend that something is true; to “duplicate” something means to copy it; and to “influence” someone or something means to sway that person or it.

To “goad” somebody means to provoke themor to incite a reaction in them, so "provoke" is the correct answer. For clarification, "imply" means to suggest something without directly expressing it, and "garrison" means station military troops somewhere.

“Opine” is a verb that means declare to be one’s opinion, so we need to pick out an answer choice that means something like say as one’s opinion. That means that “know” cannot be the correct answer, because “know” can mean be absolutely certain or sure about something, and so deals with (perceived) facts instead of opinions. “Contend,” however, is a verb that means assert, and because “contend” is the answer choice closest in meaning to “opine,” “contend” is the correct answer.