Choose a word similar to the group: Happy, Joyful, Cheerful.

C. ELATED

Choose a word similar to the group: Quick, Fast, Swift.

B. RAPID

Choose a word similar to the group: Bright, Shiny, Luminous.

C. RADIANT

Choose a word similar to the group: Strong, Sturdy, Robust.

C. POWERFUL

Choose a word similar to the group: Calm, Peaceful, Tranquil.

C. SERENE