Select the most appropriate one-word substitution for the given group of words

A group of three powerful people

Triumvirate

The most appropriate one-word substitution for the given group of words is triumvirate.

• Tripling means increasing something by three times.
• Trident is a three-pronged spear, especially the weapon of Poseidon, the Greek god of the sea.
• Trivial means of little importance or interest.
• Triumvirate means a group of three powerful people who share control of something.