The phrase "likely outcome" refers to the result that is predicted or expected to happen based on current circumstances or evidence. It is the outcome that is deemed most probable out of all the possible options. Full definition
I predict this is actually the most likely outcome of all these emerging technologies. (recruiter.com)
Keeping in mind that is the worst case, while the far more likely outcome of your stock portfolio in any given 5 year period will have average annual growth of over 11 %! (thegreenswan.org)
We go beyond determining the most likely outcome for the economy. (bankofcanada.ca)