The word “judicious” is related to “judgment,” but do not let that lead you to the law-related words like “legal,” “illicit,” and “tribunal.” When someone is “judicious,” he or she has and exercises “good judgment.” Such a person could be called “prudent,” meaning he or she is wise in a practical manner.

"Capricious" means unpredictable, so both planned and predictable are incorrect, because they are antonyms for capricious. "Condescending" means to lower in position, and "amusing" involves humor, so the best answer choice is "impulsive."

"Ostentatious" means conspicuous, flashy, or showy. "Mellifluous" means smooth and sweet-sounding. "Pedantic" means overly-precise or bookish. "Pejorative" means negative or belittling. "Resolute" means determined or strong-willed.

"Quixotic" is an adjective that means "exceedingly idealistic; unrealistic and impractical" and derives from Cervantes's literary character Don Quixote. While "quotidian" may look like a potentially correct answer choice simply because both "quixotic" and "quotidian" begin with "q," "quotidian" means "of or occurring every day," so it cannot be the correct answer. "Idealistic," which means "characterized by idealism; unrealistically aiming for perfection," is the best answer choice because it is closest in meaning to "quixotic."

"Placid" is an adjective meaning either "not easily upset or excited" when used to describe a person or animal and "calm and peaceful, with little movement or activity" when describing a place or stretch of water. "Levelheaded," an adjective that means "calm and sensible," is the answer choice closest in meaning to "placid," so it is the correct answer.

A "morose" person is of a sullen temperament, often negative and depressing to be around. Among the options provided, the only decent synonym is “gloomy.” The words “conventional” and especially “virtuous” might tempt you given that “morose” looks like “moral.” While it actually is distantly related to these other words, do not be tricked so easily!

"Fractious" means "irritable" and quarrelsome.

The word "fatuous" is an adjective that means foolish or lacking wit. "Dull," which can mean lacking wit, shares the same definition and is therefore the best answer choice. Considering the other choices, "bright" in this context is an antonym of "fatuous" since it can mean intelligent. "Portly" means heavy or fat.

A person who is "glib" is smooth-talking, meaning they are able to speak well. The best choice is thus "smooth-talking," since it is part of the definition of "glib." Considering the other choices, "crass" means rude or gross, "dumbfounded" means astonished, "pivotal" means crucial or important, and "portable" means able to be transported easily.

"Combative" is an adjective that means ready to fight. The best choice is "quarrelsome," since it holds a similar meaning of ready to argue. Considering the other choices, "obedient" is an antonym which means complying with authority, "masterful" means skillful, "torrid" means very hot and arid, or passionate when describing a romantic relationship.