knowledgeable

adjective

knowl·​edge·​able ˈnä-li-jə-bəl 

: having or showing knowledge or intelligence

knowledgeability

ˌnä-li-jə-ˈbi-lə-tē 

noun

knowledgeableness noun

knowledgeably

ˈnä-li-jə-blē 

adverb

Synonyms of knowledgeable

• acquainted
• informed
• familiar
• aware

Examples of knowledgeable in a Sentence

I'm fairly knowledgeable about wine.

knowledgeable historians regard that story as pure fiction

Recent Examples on the Web

This turmoil has forced Americans to become more knowledgeable than ever before about the separation of powers, the need for checks and balances, the importance of state governments and the operation of the federal judiciary. — Sun Sentinel Editorial Board, Sun Sentinel, 11 Nov. 2026

Beneficiaries who are not knowledgeable regarding these regulations are likely to incur IRS penalties. — Elliot Raphaelson, The Orlando Sentinel, 5 Nov. 2026

The staff is knowledgeable about the area and was ready to give recommendations on where to grab breakfast nearby or to point me towards the umbrellas during a snow storm. — Condé Nast, Condé Nast Traveler, 4 Nov. 2026

The staff behind the counter are knowledgeable and Garrison feels the quality is both consistent and high. — Stacey Lastoe, Southern Living, 2 Nov. 2026

Word History

First Known Use

1825, in the meaning defined above

Kids Definition

knowledgeable

adjective

knowl·​edge·​able ˈnäl-ij-ə-bəl 

: having or showing knowledge or intelligence