Acumen 

(N.)

Quickness, accuracy, and keenness of judgment or insight

It was no surprise that he was appointed as sales manager of the firm considering his acumen in business and accounting. This accuracy is what made him stand out from all of the other workers.

Allegory

(n)

The representation of abstract ideas or principles by characters, figures, orevents in narrative, dramatic, or pictorial form

The artists use of allegory in the script of the story is what made the characters more interesting, because they represented abstract ideas. 

Appurtenance 

(n)

Something added to another, more important thing; an appendage

When purchasing her car, a good radio is an appurtenance that she would not do without. 

Ascendancy

(n)

Superiority or decisive advantage; domination

The new band had risen to such ascendancy in its field that it won several Grammy Awards for its superiority.

Beget 

(vt)

Cause to exist or occur; produce

The violence that the war would beget would only increase the instability in the region.

Bifurcate 

(vt)

Divide into two parts or branches

With all of the road work it was impossible to reach our destination together, so the two groups were forced to bifurcate and meet later.

Constraint

(n)

The state of being constricted or confined within prescribed bounds

Money was their main constraint when deciding on a house to buy and furnish.

Deviate

(vi)

To turn aside from a course or way; depart, as from a norm, purpose, or subject; stray

For an athlete to achieve his goal of the Olympics, it would be impossible for him to deviate from his practice and hard work. He would have to stick with his plan in order to achieve his goal.

Guise 

(n)

Outward appearance or aspect; false appearance; pretense

The con man gained the trust of his victims using the guise of a successful banker.

Irrevocable

(adj)

Impossible to retract or revoke

The irrevocable lease made it impossible for the tenant to leave without paying last months' rent.

Itinerant 

(adj)

Traveling from place to place, especially to perform work or a duty

The land owner hired a group of itinerant laborers to help him harvest his crops in all of his locations.

Manifest

(adj)

Clearly apparent to the sight or understanding; obvious

When the singer took the stage and began singing it was manifest that she had practiced a lot, because she sang her song without any mistakes.

Messianic

(adj)

Of or relating to a messiah* 

* messiah: one who is anticipated as a savior or liberator

Meticulous

(adj)

Extremely or excessively concerned with details

The meticulous cake decorator worked hard on her cake to make it perfect; the excessive detail is what won her the award.

Monochromatic

(adj)

Having or appearing to have only one color

Single solid colors didn't look good on the model, so she didn't have to wear the monochromatic dress. 

Oblivion

(n)

The condition or quality of being completely forgotten

It was hard to believe that though once so well known, the sad musician was now living in oblivion.

Pseudonym

(n)

A fictitious name, especially a pen name

Though his novels were on the best seller's list, the author wrote under a pseudonym in an effort to live a quite life.

Regime

 (n)

A prevailing social system or pattern; a regulated system,as of diet and exercise; a regimen

The communist regime in their country at that time, made it difficult for anyone in a low social class to protest.

Rudimentary

 (adj)

Of or relating to basic facts or principles; elementary

A rudimentary understanding of photography is necessary or the intermediate photography class, without this basic understanding its very easy to get lost in the class. 

Sundry

(adj)

Various; miscellaneous

The sundry shop in the hotel lobby contained may items including buttons, shampoo, and bandaids.