Noun

(luminaries)

One that is an inspiration to others; one who has achieved success in his chosen field; a leading light.

:played host to a huge gathering of international luminaries -- Edmund Stevens

An artificial light; an illumination.

A body that gives light; especially , one of the heavenly bodies.

Noun

(stimuli)

(rfc-sense) Anything that may have an impact or influence on a system.

an economic stimulus

* {{quote-news, year=2012, date=November 7, author=Matt Bai, title=Winning a Second Term, Obama Will Confront Familiar Headwinds, work=New York Times citation

, passage=Democrats, meanwhile, point out that Republicans seem to have made a conscious decision, beginning with the stimulus , to oppose anything the president put forward, dooming any chance of renewed cooperation between the parties.}}

(rfc-sense) (physiology) Something external that elicits or influences a physiological or psychological activity or response.

(rfc-sense) (psychology) Anything effectively impinging upon any of the sensory apparatuses of a living organism, including physical phenomena both internal and external to the body.

(rfc-sense) Anything that induces a person to take action.