masquerading

/M AE0 S K ER0 EY1 D IH0 NG/
verb
  1. 1

    To take part in a masquerade; to assemble in masks and costumes; to wear a disguise.

    โ€œIโ€™m going to masquerade as the wikipede. What are you going to dress up as?โ€

  2. 2

    To pass off as a different person or a person with qualities that one does not possess; also, to make a pretentious show of being what one is not.

    โ€œHe masqueraded as my friend until the truth finally came out.โ€

  3. 3

    To conceal (someone) with, or as if with, a mask; to disguise.

noun
  1. 1

    The act of one who masquerades.

Source: https://en.wiktionary.org/wiki/masquerade, https://en.wiktionary.org/wiki/masquerading