window dressing
[noun]
Synonyms: mask, color, coloring, disguise, facade, face, front, put-on, show, veneer

[TahlilGaran] English Synonym Dictionary ▲

ˈwindow ˌdressing noun [uncountable]

1. something that is intended to make people like your plans or activities, and to stop them seeing the true situation – used to show disapproval:
All these glossy pamphlets are just window dressing – the fact is that the new mall will ruin the neighborhood.

2. the art of arranging goods in a shop window so that they look attractive to customers

[TahlilGaran] Dictionary of Contemporary English ▲

window dressing
n. phr. An elaborate exterior, sometimes designed to conceal one's real motives.
All those fancy invitations turned out to be nothing but window dressing.
All he really wanted was to be introduced to my influential father-in-law.

[TahlilGaran] English Idioms Dictionary ▲