disorientate
di·so·rien·tate
verb
1.
cause to be lost or disoriented
Origin
From dis- + orientate. Not a back-formation from disorientation, which is attested much later and is perhaps from disorientate.
Related words
Word family
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.