"Enthrall" means to captivate someone's attention or to fascinate someone. 

"Scare" means to cause fear.

"Disillusion" means to cause somebody to consider his or her belief false.

"Suggest" means to put forward something for consideration. 

"Confuse" means to cause bewilderment.

"Abhor" is a verb that means to hate, or to feel disgust.

None of the other words are synonymous with abhor.

"Evoke" means to conjure or call forth.

"Squander" means to spend money excessively or to waste your money.

"Dissent" means to disagree or to object to something.

"Perplex" means to confuse or to astound.

"Endear" means to attract affection and attention or to captivate.

None of the other words are synonyms of endear:

"To be heartless" means to be without feeling, or to be callous and cold.

"Capitulate" means to give up or to surrender.

"Endorse" means to give official or public approval to something.

"Insulate" means to protect or to close off, or it means to use a material that prevents loss of heat, such as when walls are insulated.

"Enervate" means to tire or to exhaust or make feeble.

None of the other words are synonymous with enervate.

"Rally" means to gather people and excite them or to unite people for a cause.

"Incorporate" means to bring something in or to integrate or assimilate something.

"Invoke" means to call upon, and is typically used in a spiritual sense, such as invoking ancestors.

"Mollify" means to pacify or to calm somebody.

"Upset" and "distress" are synonymous verbs expressing the action of irritating someone, causing them stress or frustration. The other words are related to each other and are verbs expressing the action of "confusing" someone or causing them to feel "awe".

The words "eager" and "enthusiastic" are both positively charged and are in fact synonymous, meaning to be excited about something! The other words do not have similar meanings, all referring to various emotional states, and are not synonymous with "eager."

The verbs "overwhelmed" and "overcome" are the closest in meaning both meaning to be overpowered or conquered (can be used metaphorically, as in "overcome with emotion"). "Overage" is a banking term; "overnight" describes something that lasts through the night until morning; "overachieve" refers to succeeding more than is expected at a task; "underachieve" is an antonym to "overachieve."

"Bewitch" means to "charm" someone, to fascinate or to dazzle someone.

"Incense" means to make someone very angry, to enrage.

"Reject" means to say no, to refuse, to deny.

"Deceive" means to mislead someone, to lie, to be dishonest.

"Curse" means to say a bad word, or to put an evil spell on someone.

"Foster" means to "promote growth" or to nurture or to support something.

"Eradicate" means to eliminate or destroy or remove.

"Polarize" means to divide into opposites, to split.

"Renounce" means to abandon, to reject, to quit.

"Stifle" means to suppress, to restrain, or to prevent from expanding or growing.

The verb "covet" means to want to possess something, to yearn for something, to "desire" something.