ostensibly

ostensibly    [o-Sten-suh-buh lee] 

adverb. appearing as such, actually not 

"He goes to the ice cream shop every day, ostensibly to buy ice cream, but actually to meet the cute girl who works there."

"The company is using my personal data ostensibly to better serve me, but really to make money."

"Although the Daily Show is ostensibly just a comedy program, it also had a genuinely significant influence on US politics."

http://www.vocabulary.com/dictionary/ostensibly