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

C. SERENE

Choose a word similar to the group: 'strong, powerful, mighty'.

B. ROBUST

Choose a word similar to the group: 'calm, serene, tranquil'.

B. PEACEFUL

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

C. CHEERFUL

Choose a word similar to the group: 'ancient, old, archaic'.

C. HISTORIC