synonymous (adjective)

1. The words 'funny' and 'hilarious' are synonymous in describing something that causes amusement.

2. In the world of fantasy novels, the terms 'wizard' and 'sorcerer' are often used synonymously.

3. The words 'love' and 'adore' are synonymous when expressing strong affection towards someone.

4. In science fiction literature, the concepts of 'alien' and 'extraterrestrial' are often used synonymously.