Sadly, I disagree with the previous commenters: "made out" can definitely mean "discovered" or "deciphered".
"He squinted at the strange letters in the dark cave, and eventually made out the word "Beware!"".
"It seemed obvious that Bob was guilty, but, after months of gathering and analyzing evidence, I began to make out that Bob could, in fact, be innocent."
In the sentence you gave, it is very unlikely that this is the meaning, but without more context I can't be sure.