Answer: grayflannelsuit

AnswerCrossword Clue
GRAYFLANNELSUIT

Stereotypical garb for an ad agency executive

GRAYFLANNELSUIT

Peck's attire in a '56 film

GRAYFLANNELSUIT

Uniform of a sort.

GRAYFLANNELSUIT
Madison Ave. symbol
GRAYFLANNELSUIT
Ad-man's wear
GRAYFLANNELSUITFormer executive uniform
GRAYFLANNELSUITSymbol of '50s conformity
GRAYFLANNELSUITStereotypical garb for an adman