Complete the sentence with an appropriate synonym of the word mentioned in the bracket.

Watching the setting sun and the _________________ (tranquil) surface of the water relaxes my mind.

calm

The most appropriate synonym of the word tranquil in the sentence is calm.

• Tranquil means "peaceful and quiet; undisturbed."
• Calm means "not disturbed or excited; peaceful."
• Unsettled means "not calm or peaceful; disturbed."
• Moving means "in motion."
• Roaring means "making a loud, deep, continuous sound."