A "reasonable expectation" means having a logical belief or assumption about something based on what is normal, fair, or likely to happen. It is an expectation that is sensible and rational. Full definition
Decisions about reasonable expectations of privacy should be made based on principle, not based on the way technologies work. (ccla.org)
In some cases, you can implement immediate changes with reasonable expectations for how those changes will affect your business. (rocketlawyer.com)
Even so, because this difficult test is so out of touch with reasonable expectations for reading and writing within three hours, only 44 percent were able to meet that standard. (washingtonpost.com)