deceptive
1. [ adjective ] causing one to believe what is not true or fail to believe what is true
Synonyms: delusory
Examples:

"deceptive calm" "a delusory pleasure"

Related terms: unreal
2. [ adjective ] tending to deceive or mislead either deliberately or inadvertently
Synonyms: misleading
Examples:

"the deceptive calm in the eye of the storm" "deliberately deceptive packaging" "a misleading similarity" "statistics can be presented in ways that are misleading"

Related terms: dishonest
Similar spelling:   deceptively
  deception
  Decapterus