装
ソウ, ショウ, よそお.う, よそお.い

attire, dress, pretend, disguise, profess

JLPT2 G6 S12 F657

As per 壯# (tall and neat) + 衣 clothing → sartorial neatness → *dress neatly*; *decorate oneself*; *mode of dress*; *equipment* → *decorate*; *disguise*; *pretend*.

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