dressing-up

dressing-up

n
1. a children's play activity, consisting of putting on different outfits or costumes
2. the wearing of disguise, or of special clothes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014