olemus
(a) identiteeti varjavalt välimust muutma,
näiteks paruka, grimmi, riietuse abil
Wiktionary:
verb
1. (transitive) to change the appearance of (a person or thing) so as to hide, or to assume an identity
Spies often disguise themselves.
https://www.shutterstock.com/search/disguise
https://en.wikipedia.org/wiki/Disguise

(b) ülekantud tähenduses:
tõde, tegelikke kavatsusi jms varjama
Wiktionary:
verb
2. (transitive) to avoid giving away or revealing (something secret); to hide by a false appearance
He disguised his true intentions.
https://openreview.net/forum?id=SJZd_GZuWr

vt ka
- helistaja maskeerimine
- kaitsemaskeering
- maskeerimine (2)