Congruous
Something described as congruous is in agreement, harmony, or correspondence with something else. Congruous can also describe something that is appropriate for a particular circumstance or requirement, or a thing that is marked or enhanced by harmonious agreement among its constituent elements.
// Their professional achievements were congruous with their academic abilities.
// The low bookshelf forms a congruous barrier between the spaces.
// It is a congruous, plausible story, consistent in all its details.
Nettle
To nettle someone is to make them angry or annoyed.
// Though he tried to maintain a friendly tone, the town official was clearly nettled by the reporter's suggestion that the town was at fault.
Mumpsimus
noun - a person who insists on doing things in an incorrect way
Explanation - A mumpsimus is someone who clings to a mistaken way of doing things, even after the error has been pointed out. This silly-sounding word comes from a story about a priest who kept saying the wrong word during Mass. When stubbornness stands in the way of change, you may be dealing with a true mumpsimus.
Example - Even after being corrected, the mumpsimus continued to write "for all intensive purposes" instead of "for all intents and purposes."
Umpteen
Umpteen is an informal adjective meaning "very many" or "indefinitely numerous."
// The artist has painted the same subject umpteen times, yet each piece has its own unique quality.
Culminate
To culminate is to reach the end or the final result of something. Culminate is usually used with in or with.
// Their efforts have culminated in the discovery of a new treatment.
Encapsulate
Encapsulate literally means “to enclose in or as if in a capsule,” but the word is more often used figuratively as a synonym of summarize, to talk about showing or expressing a main idea or quality in a brief way.
// Can you encapsulate the speech in a single paragraph?
// The first song encapsulates the mood of the whole album.
// The contaminated material should be encapsulated and removed.
Syllogism
Syllogism refers to a formal argument in logic that is formed by two statements and a conclusion which must be true if the two statements are true.
// An example of a syllogism is “All men are mortal; no gods are mortal; therefore no men are gods.”
Abdicate
Abdicate usually means “to renounce a position of power, such as a throne, high office, dignity, or function.” It can also mean “to fail to do what is required by (a duty or responsibility).”
// I know many challenges lie ahead, but I take this role on willingly, and will not abdicate my responsibility.