This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Simple past tense and past participle of disguise.

adj. having its true character concealed with the intent of misleading

"In Scotland kids go guising (as in disguised) in amazing costumes and have to perform for their treats."

disguised    disguises    disguising   

concealing    concealment    hiding    colour    color    semblance    gloss   

disguisedly    disguiser    disguisement   

feign    dissemble    hide    secrete    pretend    mask    conceal    dissimulate    intoxicate    intoxication   

Ais    Allies    Guise    Guys    Lise    Marseilles    Thais    Wise    advise    ais   

guise    garb    illusion    deception    costume    mask    trick    manifestation    evasion    lie