Choose the word that can substitute the given group of words. One who adapts oneself readily to various situations

Versatile

The word that can substitute the given group of words "One who adapts oneself readily to various situations" is versatile.

• Versatile means able to adapt to many different situations.
• Fastidious means very particular or exacting in one's tastes or demands.
• Ardent means having or showing a strong feeling or conviction.

The word versatile is the most appropriate because it specifically refers to someone who is able to adapt to many different situations. The other words do not have the same connotation of being able to adapt to many different situations.