- Today's Word
Effulgent
ih-FUL-juhnt
Definition
- (adjective) Radiating brilliance, light, or joy.
Example
Her effulgent smile brightened even the gloomiest room.
Fun Fact
“Effulgent” comes from the Latin effulgere, meaning “to shine forth.” Though often used to describe literal light, such as the glow of the sun or a dazzling stage performance, it can also describe an inner radiance. Historical figures like Martin Luther King Jr. and Princess Diana were often described as effulgent, not for physical light, but for their presence and ability to uplift others with their energy and charisma.
(verb) To suggest or assume something as a basis for reasoning or argument without prior proof.
The scientist postulated that the mysterious signals were coming from a previously undiscovered layer of the atmosphere, a theory that took years to confirm.
Postulate derives from the Latin postulare, meaning “to demand” or “to claim,” rooted in poscere, meaning “to ask urgently.” In medieval logic and mathematics, a postulate was a foundational assumption that didn’t require proof — something demanded to be accepted as a starting point. Euclid’s famous geometric postulates, written around 300 BCE, are among the most influential examples in intellectual history.