They are interchangeable: http://www.askoxford.com/asktheexperts/faq/aboutgrammar/oriented http://www.askoxford.com/asktheexperts/faq/aboutgrammar/orie... I pe

They are interchangeable: http://www.askoxford.com/asktheexperts/faq/aboutgrammar/oriented http://www.askoxford.com/asktheexperts/faq/aboutgrammar/orie... I personally used "oriented" - why use a longer word when a shorter one is precisely equivalent? Also, I'm used to it.