Advisory means giving advice rather than orders. An advisory role, an advisory board, advisory only.
The distinction matters: an advisory body can be ignored, and saying a report is advisory tells you exactly how much force it has. As a noun it means an official warning, as in a weather advisory.
1adjectiveadvisoryGiving advice rather than orders.
“The committee has an advisory role only; the final decision belongs to the board.”
advisory is a quality.
Proto-Indo-European
*weyd-
Middle English
avisen
English
advise
English, today
advisory
From advise + -ory. advise comes from Middle English avisen. From Middle English avisen (“to perceive, consider, inform”), from Old French aviser, from avis, or from Latin advisō, from ad + visō. See also advice.
Etymology from Wiktionary, CC BY-SA