恍惚[koukotsu] ecstasy
恍ける[tobokeru] to play dumb
恍け[toboke] assumed innocence
恍惚状態[koukotsujoutai] state of ecstasy (rapture)

恍然[kouzen] fascinated and distracted by something
恍け顔[tobokegao] a face of (feigned) innocence
御恍け[otoboke] feigned ignorance

惚け[boke] idiot
一目惚れ[hitomebore] to be taken with someone at first sight (similar to "love at first sight", but not as strong)
惚ける[houkeru] to grow senile
惚れる[horeru] to fall in love
惚れ惚れ[horebore] fondly

惚れ込む[horekomu] to be charmed by
惚気る[norokeru] to play up
時差惚け[jisaboke] jet-lag
自惚[unubore] pretension
自惚れる[unuboreru] to be conceited