Which of the following is a synonym for Groundbreaking?

The question asks for a synonym for Groundbreaking. This tests vocabulary knowledge.

• (B) Innovative is the correct synonym. "Groundbreaking" describes something that is new and very different from what has been done before, often leading to significant progress or change. "Innovative" means introducing new ideas, methods, or products; original and creative. They are direct synonyms, both implying novelty and significant impact.
• (A) Ordinary is incorrect because it is an antonym, meaning common, usual, or not special.
• (C) Common is incorrect as it is an antonym, meaning occurring, found, or done often; prevalent, and lacking distinction.
• (D) Traditional is incorrect because it is an antonym, meaning existing in or as part of a tradition; long-established, and often resistant to change.

Therefore, "Innovative" best captures the meaning of "Groundbreaking."