Synonyms

Perspicacity and acumen both refer to the ability to judge well or make quick, accurate decisions and discernments. Discernment is therefore a direct synonym, whereas impecuniousness means poverty, meticulousness means extreme care, and salience means prominence.

Acrophobia is derived from Greek 'acros' meaning highest or topmost, and refers specifically to the fear of heights. Hydrophobia is fear of water, claustrophobia is fear of confined spaces, and no common phobia named for fear of distance exists.

Argent comes from Latin and refers to silver (still used in heraldry). It doesn't mean urgent, important, or goldish. The word is the root for 'Argentina' (land of silver) and appears in tincture terminology for coats of arms.

Corporeal comes from Latin 'corpus' meaning body, and refers to physical, tangible things related to the body. It's the opposite of spiritual or abstract. Option A is a common confusion with 'corporate' (business), but they have different roots.

Meticulous means showing great attention to detail; very careful and precise. Fastidious is the closest synonym among the options, meaning very attentive to and concerned about accuracy and detail. The other options (sloppy, haphazard, slapdash) are antonyms, meaning careless or disorganized.

Astral relates to stars or celestial bodies, making stellar the correct synonym. Subversive means undermining authority, extraterrestrial means from outside Earth, and superstitious means believing in supernatural causation.

Expediently means in a way that's advantageous or practical for a purpose, especially politically. In this political context, advantageously fits perfectly - acting for political benefit. Arrogantly, quickly, and extensively don't capture the strategic advantage aspect.

Ingenuity means the quality of being clever, inventive, or resourceful. Resourcefulness is the exact synonym. Inundation means flooding, infirmity means weakness, and achievement means accomplishment - close but not precise.

In this metaphorical context, ghettos of the mind refers to mental limitations or confined thinking. Limitations is the best contextual fit. Aspirations and fascinations are positive, doctrines are beliefs - none capture the confinement aspect.

Abominable means detestable, hateful, or extremely unpleasant. The word describes something that causes strong disgust or moral outrage - something utterly reprehensible or loathsome in quality or character.

Achromatic means without color or colorless. It refers to something that is uncolored or lacks hue, such as white, grey, or black.

Affable describes someone who is friendly, good-natured, and easy to talk to. Friendly is the correct synonym.

Amalgam refers to a mixture or blend, often of metals. In chemistry and metallurgy, it specifically means an alloy of mercury with another metal. Alloy is the correct synonym in this context.

Antiquate means to make something old or obsolete. The answer 'Old' relates to the concept, though it's an adjective while antiquate is a verb. A better synonym would be 'obsolete' or 'age'.