Select the most appropriate ANTONYM for the given word.
Illusion

Reality

The most appropriate antonym for the word illusion is reality.

• Illusion is a false or misleading impression of reality.
• Reality is the state of things as they actually exist, rather than as they may appear or be imagined.

The other words do not have the same meaning as illusion and are therefore not antonyms.

• Imagination is the ability to form new ideas or images in the mind.
• Dream is a series of thoughts, images, and sensations that occur in the mind during sleep.
• Hallucination is a perception in the absence of a real external stimulus.