DISGUISE

[verb] [T] - to give a new appearance to (a person or thing), esp. in order to hide its true formHe disguised himself by shaving his head and wearing a false beard.We tried to disguise the fact that it was just a school hall by putting up coloured lights and balloons.To disguise an opinion, a feeling, etc. is to hide it.There are important differences of opinion which cannot be disguised.I couldn't disguise my terror/disgust/embarrassment.