Synonym of EMPIRICAL

Spiritual
Royal
Practical
Theoretical

The correct answer is C. Practical.

Empirical means based on observation or experience rather than theory.

Spiritual means relating to or affecting the spirit or soul.

Royal means relating to or belonging to a king or queen.

Theoretical means based on or relating to theory rather than practice.

Practical means concerned with the actual doing or use of something rather than with theory or ideas.