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

C. SHINY

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

C. POWERFUL

Choose a word similar to the group: 'happy, joyful, cheerful'.

B. ELATED

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

B. TRANQUIL

Choose a word similar to the group: 'fast, quick, rapid'.

B. SWIFT