Select the most appropriate one-word substitution for the given group of words. 

Able to exist together without trouble or conflict.

Compatible

The most appropriate one-word substitution for the given group of words "Able to exist together without trouble or conflict" is "Compatible."

Explanation of the options:

☀ Compatible: This word accurately describes the ability of things or individuals to exist together without trouble or conflict. It implies harmony and the absence of contradictions.

☀ Gregarious: Gregarious refers to the tendency to enjoy the company of others and be sociable, but it does not specifically capture the idea of existing together without trouble or conflict.

☀ Jolly: Jolly means cheerful and full of good humor, which is not directly related to the ability to exist together without trouble or conflict.

☀ Pensive: Pensive refers to being deep in thought or reflective, and it does not specifically pertain to the ability to coexist without trouble or conflict.