Correct Answer: Genius

Solution : The correct option is the first option.

Explanation: In the context of the word Maestro, the key idea is someone who is a master or an expert, particularly in the field of music or the arts.

The term genius aligns closely with this concept, as it denotes exceptional intellectual or creative ability.

A maestro is often a highly skilled and accomplished individual, and Genius accurately captures the essence of mastery and brilliance associated with the term.

So, the correct synonym is genius.

The meanings of the other options are as follows:

• Senile: This term refers to the mental and physical decline associated with old age.

• Slender: This term relates to being thin or having a small physical size.

• Novice: This term refers to a person who is new to or inexperienced in a particular field.