To satiate a need, desire, etc., is to satisfy it fully.

// The new restaurant’s menu promises to satiate diners’ cravings for comfort food, offering fresh spins on classic, time-honored fare.

Wraith refers to the spirit of a dead person, or in other words, a ghost.

// The most frightening scene from the movie featured a vengeful wraith creeping slowly up behind the main characters.

Someone may be described as reticent if they are feeling or showing reluctance, that is, hesitation or unwillingness to do something. Reticent can also describe someone who is reserved, inclined to be silent or uncommunicative about things.

// The team was reticent to spend such a large amount of money, even for an all-star free agent.

// He’s always been reticent about discussing personal matters at work.

Shindig is an informal word for a big party.

// Our friends are in town this weekend, so we’re hosting a shindig at our place on Saturday night.

Grotesque describes something that is very strange or ugly in a way that is not normal or natural. It can also describe something that is extremely different from what is expected or usual.

// She opted for a scary Halloween costume, complete with a grotesque monster mask.

// Their claim is a grotesque distortion of the facts.

Milieu is a formal word that refers to the physical or social setting in which people live or in which something happens or develops.

// Langston Hughes, Zora Neale Hurston, and Jean Toomer were among the many writers who flourished in the intellectual milieu of the Harlem Renaissance.

Disparate things are noticeably distinct from one another in quality or character. Disparate can also describe something that contains or is made up of fundamentally different and often incongruous elements.

// The orchestral project joins disparate musical elements to create a truly original sound.

Puissant is a synonym of powerful used to describe something with puissance—that is, strength or power.

// The creatures in her fantasy novel are wielders of puissant magic, able to strike down enemies by harnessing the power of weather phenomena like lightning and tornadoes.

Asunder is most often used as an adverb—often with a verb such as tear or rip—to mean "apart" or "into pieces." It is more rarely used as an adjective meaning "apart from each other," as in "standing with legs wide asunder."

// The park was torn asunder by yesterday's microburst, and many of its trails have been blocked by fallen trees.

1. A person who has recently or suddenly acquired wealth, importance, position, or the like, but has not yet developed the conventionally appropriate manners, dress, surroundings, etc.