Choose the correct synonym of the following word: CONUNDRUM

Choose the correct synonym of the given word from the options below:

"Accede"

Select the word closest in meaning to the word:

'Hysterical'

Fill in the blank and complete the sentence with the synonym of the underlined word:

The research focused on improving cognitive abilities, which are essential for processes such as learning, memory, and decision-making, aiming to enhance one's ______ faculties.

Select the word from the given options that is most similar in meaning to the word:- Gregarious

Choose the most appropriate synonym for the word: Supercilious

Choose the most appropriate synonym of the following underlined word:

She reproached him gently for forgetting their anniversary.