Wiktionary
vb. 1 (context transitive English) To cause (someone) to believe an untruth. 2 (context transitive English) To misguide or misdirect.
WordNet
v. teach immoral behavior to; "It was common practice to lead off the young ones, and teach them bad habits" [syn: lead off]
lead someone in the wrong direction or give someone wrong directions; "The pedestrian misdirected the out-of-town driver" [syn: mislead, misdirect, misguide]
cause someone to believe an untruth; "The insurance company deceived me when they told me they were covering my house" [syn: deceive, betray] [ant: undeceive]
Usage examples of "lead astray".
An entrance can deceive, can lead astray, can give the attacker no end of worry, and the present one too can do that at a pinch.
Matern writes in the present: All Holzwege, all woodcutter's tracks, lead astray.
Do you think I could derive any pleasure from the sight of the multitudes these blind guides lead astray?
I would that the dear saints were left in peace, and the poor folk not lead astray!
They may weep pretty tears for a poor mortal, but as soon as his last breath bubbles up from the swamp, they're away, giggling to themselves, looking for another traveler to lead astray.
He can, of course, block or lead astray most magics, but we have no reason to believe he has done so.