disguisement

transitive verb disguised, disguising

1. to make appear, sound, etc. different from usual so as to be unrecognizable: to disguise one's voice
2. to hide or obscure the existence or real nature of: to disguise an emotion
3. Obsolete to alter or disfigure

Origin: ME disgisen < OFr desguiser, to change costume: see dis- & guise

noun

1. any clothes, equipment, manner, etc. used for disguising
2. the state of being disguised
3. the act or practice of disguising