Final answer:
The synonym of empirical is observable. Empirical refers to something that is grounded in objective, tangible evidence that can be observed over time.
The correct option is 1.
Step-by-step explanation:
The synonym of empirical is observable. Empirical refers to something that is grounded in objective, tangible evidence that can be observed over time.
This can include direct, physical observations of something or a process, data resulting from an experiment, or something that is measurable or quantifiable.
The correct option is 1.