To determine the synonym of the word "Brave," we need to find a word with a similar meaning. Here's how we can evaluate each option given:
- Cowardly: This word means lacking courage. It is the opposite of brave, so it cannot be a synonym.
- Fearful: This word means being afraid or showing fear. Again, it is opposite to the meaning of brave, so it is not a synonym.
- Courageous: This word means having the ability to face danger or fear without flinching. It is synonymous with brave.
- Weak: This word means lacking strength or power, which is not aligned with the meaning of brave.
Based on the analysis above, the correct answer is Courageous, as it shares a similar meaning with the word "Brave."