Taylor Swift: I'm a Nightmare Dressed Like a This

This page is the CodyCross answer for the clue below from The Netherlands, Group 2102, Puzzle 5 (Royal Palace).

Question is: Taylor Swift: I'm a Nightmare Dressed Like a This

and the answer is: DAYDREAM

Word Meaning:

DAYDREAM — A spontaneous series of thoughts while awake not connected to immediate reality.

Definitions from Wiktionary.