An ulterior purpose is a hidden or secret motive, goal or intention that someone has in addition to their ostensible or declared reason for doing something. Full definition
They assumed all cost for their training and education on tell tale signs that could signal a terrorist was acquiring real estate for ulterior purposes in residential subdivisions filled with children. (remonline.com)
AGW - deniers often seem convinced that coupled GCMs are developed to output preferred ECS estimates for mysterious ulterior purposes, rather than to test climate scientists» understanding of AGW's physical mechanisms. (realclimate.org)
When God is used for ulterior purposes, we have created a god out of our own needs. (religion-online.org)