: Find the synonym of the underlined word.
The praiseworthy rescue of the men stranded on the mountaintop was really a creditable deed.

• To select the proper synonym, that's a word with an identical meaning, it's essential to grasp the meaning of the given word. Praiseworthy indicates a person who is deserving of appreciation or approval.
• Option A, hard to believe refers to something that's impossible to understand.
• Option B, commendable refers to a piece or act that deserves appreciation.
• Option C, unusual refers to something that's out of the normal.
• Option D, risky refers to an act that incorporates a possibility of failure, danger or loss.

Hen⁠⁠⁠⁠⁠ce, option B is the correct answer.