All 9 Uses of
delude
in
Faust -- Part 1 -- translated by Theil
-   MEPHISTOPHELES
The question trifling seems from one,
Who it appears the Word doth rate so low;
Who, undeluded by mere outward show,
To Being's depths would penetrate alone.†undeluded = not with a false beliefstandard prefix: The prefix "un-" in undeluded means not and reverses the meaning of deluded. This is the same pattern you see in words like unhappy, unknown, and unlucky. 
-   FAUST (awaking)
Am I once more deluded!†deluded = with a false belief; or convinced to have a false belief 
-   Yet fixed is this delusion in our heart;
Who, of his own free will, therefrom would part?†*delusion = a false belief 
-   the loftiest attributes of men,
Reason and Knowledge, only thus contemn,
Still let the Prince of lies, without control,
With shows, and mocking charms delude thy soul,
I have thee unconditionally then!†delude = deceive (convince to have a false belief) 
-   MEPHISTOPHELES (as above)
Delusion, from their eyes the bandage take!†delusion = a false belief 
-   SIEBEL
'Twas all delusion, cheat and lie.† 
-   Slow from the spot her drooping form she tears,
And seems with shackled feet to move along;
I own, within me the delusion's strong,
That she the likeness of my Gretchen wears.† 
-   MEPHISTOPHELES
Deluded fool!†deluded = with a false belief; or convinced to have a false belief 
-   She dwells immur'd within these dripping walls;
Her only trespass a delusion dear!†delusion = a false belief