Synonyms

Elysian means relating to or characteristic of heaven or paradise. So, divine is the correct synonym. 

Embroil means to throw into confusion; complicate. Entangle means to confuse or perplex. 

A riddle is a type of puzzle that requires solving. A puzzle is a game or problem that tests ingenuity. These are direct synonyms - both refer to problems requiring thought to solve.

Provisional means arranged for now, subject to change, not permanent. Temporary means lasting for a limited time, not permanent. These are perfect synonyms - both indicate something not meant to be lasting.

Endure means to bear with patience or suffer through something. Tolerate means to allow or put up with something. These are close synonyms in the sense of accepting or bearing with difficult situations.

Reveal means to make known or uncover something previously hidden. Open can mean to uncover or make accessible. These are synonyms in the sense of exposing or making things visible that were previously concealed.

Adept means very skilled or proficient at something. Skilled means having skill or training. These are direct synonyms - both describe someone with developed abilities or expertise.

Embrace can mean to hug or hold someone in arms. Clasp means to grasp or hold tightly. These are synonyms in the physical sense - both describe holding something or someone securely.

Intricacy means complexity or complicated details, especially in structure or design. Tangled means twisted together or confused. While related, tangled is more physical while intricacy is more abstract. However, both suggest things being intertwined or complex.

Intimidate means to frighten or overawe someone, especially to make them do something. Threaten means to state intention to inflict harm or damage. These are very close synonyms - both involve creating fear to influence behavior.

Flourish means to grow vigorously, thrive, or be successful in a healthy way. Prosper is the closest synonym as it also means to succeed or thrive financially or otherwise. The other options don't match - pedestrian means ordinary/lacking inspiration, prevail means to succeed against opposition, and pervert means to distort something from its original purpose.

Terse means using few words, brief, and concise in expression. Short is the correct synonym here - terse statements are short and to the point. The other options are unrelated: shunned means avoided, shut means closed, shone is the past tense of shine.

 'Insolence' means disdain and contemptuousness. 'Haughtiness' is most similar in meaning to it.