Synonyms

Abbreviate means to shorten a piece of writing or a speech. Shorten is a direct synonym.

Aegis means shield and is therefore a protection. 

Adjourn means to break off a meeting or legal case with the intention of resuming it later. Postpone is a synonym, meaning to put off to a later time.

 Allure is similar in meaning to charm. Both talk about something that is attractive.

Beset means to trouble or harass persistently, or to surround from all sides with problems. Molest is the intended synonym in its older sense of bothering or causing trouble, though this usage is dated and potentially ambiguous in modern English.

Callow means inexperienced and immature. Immature is a direct synonym.

Canny means having or showing shrewdness and good judgment, especially in money or business matters. Thrifty is a synonym, as it relates to being careful with money.

Carnal primarily means relating to the physical or bodily rather than spiritual. Fleshy is the intended synonym as it relates to physical, corporeal qualities, though this is a less common usage and somewhat ambiguous.

Blanch means to make white or pale by extracting color. Bleach is a direct synonym.

Couple means to join or combine two things. Unite is a direct synonym.

Celerity means swiftness of movement. Speed is a direct synonym.

Incapacitate means to deprive of strength or power; to make unable to function. Disable is a direct synonym.

Inert means lacking the ability or strength to move. Inactive is a direct synonym.

Juncture means a particular point in events or time, or a place where things join. Joint is a synonym, referring to a place where two parts are joined.

Lenient means showing tolerance, mildness, or not strictly enforcing rules. Not serious is the intended synonym as it suggests a lack of severity, though this is an imprecise match as lenient specifically relates to tolerance in judgment or discipline.

Magnitude means the great size or extent of something. Greatness is a direct synonym.

Orthodox refers to conforming to what is generally or traditionally accepted. Traditional is the closest synonym among the choices.

Puerile means childishly silly or trivial. Childish is the direct synonym.

Retain means to continue to have something or to keep possession of it. Since 'Hold' and 'Keep' are both synonyms, 'All of the above' is the correct choice.

Repeal means to revoke or annul a law or congressional act. Revoke is a direct synonym.

Vacillation refers to the inability to decide between different opinions or actions. Hesitation is the closest synonym.

A puzzle is something that causes confusion or difficulty in understanding. Confusion is the most appropriate synonym.

To quail means to feel or show fear or apprehension. Show fear is the correct synonym.

Suavity refers to the quality of being charming, confident, and elegant. Smoothness captures this social grace.

Purport means to appear or claim to be or do something. Claim is the correct synonym.