Adjective

(en adjective)

Helpful or good to something or someone.

* {{quote-magazine, date=2013-06-29, volume=407, issue=8842, page=72-3, magazine=(The Economist)

, title= A punch in the gut , passage=Mostly, the microbiome is beneficial . It helps with digestion and enables people to extract a lot more calories from their food than would otherwise be possible. Research over the past few years, however, has implicated it in diseases from atherosclerosis to asthma to autism.}}

Adjective

(en adjective)

Providing information; especially , providing useful or interesting information.

I read a very informative newspaper article on that subject last week.

(in standards and specifications) Not specifying requirements, but merely providing information.