enlighten

American  

[en-lahyt-n] / ɛnˈlaɪt n /

verb (used with object)

1. to give intellectual or spiritual light to; instruct; impart knowledge to.

   We hope the results of our research will enlighten our colleagues.

   Synonyms:

   inform, teach, edify, illumine

   Antonyms:

   puzzle, perplex, confuse, mystify

2. Archaic. to shed light upon.

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enlighten British  

/ ɪnˈlaɪtən /

verb

1. to give information or understanding to; instruct; edify

2. to free from ignorance, prejudice, or superstition

3. to give spiritual or religious revelation to

4. poetic to shed light on

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Other Word Forms

• enlightenedly adverb
• enlightenedness noun
• enlightener noun
• enlightening adjective
• nonenlightened adjective
• preenlighten verb (used with object)
• preenlightener noun
• reenlighten verb (used with object)
• unenlightened adjective
• well-enlightened adjective

Etymology

Origin of enlighten

First recorded in 1350–1400; Middle English enli(g)htenen; en- ¹, lighten ¹

Example Sentences

When you get a varied body of work, it can enlighten your own life in a way, and that’s a great feeling.

From The Wall Street Journal • Jan. 17, 2026

So can you enlighten us as to the great wisdom Justices Clarence Thomas and Samuel Alito share in their own concurrences?

From Slate • Jun. 18, 2025

“The truth is, you are either here to enlighten or discourage.”

From Los Angeles Times • Feb. 7, 2025

Because I break bread with and claim to be part of this marked construct, this otherness, complete with jail time within the carceral state, allow me to enlighten you.

From Salon • Jan. 1, 2024

“We have some time before supper-hour. I hope that will prove sufficient to enlighten you.”

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs

Related Words

• acquaint
• advise
• civilize
• edify
• educate
• inform
• uplift