Delusive

De*lu"sive (?), a. [See Delude.] Apt or fitted to delude; tending to mislead the mind; deceptive; beguiling; delusory; as, delusive arts; a delusive dream.

Delusive and unsubstantial ideas.
Whewell.

-- De*lu"sive*ly, adv. -- De*lu"sive*ness, n.