Select the option that can be used as a one-word substitute for the underlined group of words.

The manager behaves as if he knows everything and has unlimited knowledge.

Omniscient

The option that can be used as a one-word substitute for the underlined group of words "knows everything and has unlimited knowledge" is omniscient.

• Omnipotent means having unlimited power.
• Omniscient means having unlimited knowledge.
• Omnipresent means being present everywhere at the same time.
• Omnivorous means eating both plants and animals.

The word omniscient is the most appropriate because it specifically refers to having unlimited knowledge. The other words do not have the same connotation of all-knowingness.