1 provide with adornments.
2 provide (a room or building) with new paint, wallpaper, etc.
3 serve as an adornment to.
4 confer an award or distinction on.
Phrases and idioms:
Decorated style Archit. the second stage of English Gothic (14th c.), with increasing use of decoration and geometrical tracery.
Etymology: L decorare decorat- f. decus -oris beauty
Useful english dictionary. 2012.