All 3 Uses

deception
in
Flags of Our Fathers
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Using the deceptively neutral term "Greater East Asia Co-Prosperity Sphere," Japanese propaganda claimed that Japan's aim was to free its neighbors from white colonial rule.†
Chpt 3.

deceptively = in a manner that is misleading
It's deceptive because we'd fight over a beer, insult each other's sister, but then we were ready to risk our lives for each other.†
Chpt 5. *

deceptive = misleading
The officers dissected and reconfigured this strategy inside a forbidding-looking wood structure next to division headquarters, a building that bore the deceptively innocuous title of "the conference center."†
Chpt 5.

deceptively = in a manner that is misleading

Definitions:

(1) (deception)
the act of lying to or misleading someone; or something that misleads
(2) (meaning too rare to warrant focus)