make it is a verb meaning "continue in existence after (an adversity, etc.)". It carries 3 recorded senses.
continue in existence after (an adversity, etc.)
“He survived the cancer against all odds”
succeed in a big way; get to the top
“After he published his book, he had arrived”
“I don't know whether I can make it in science!”
“You will go far, my boy!”
go successfully through a test or a selection process
“She passed the new Jersey Bar Exam and can practice law now”
Definitions, synonyms and semantic relations for make it come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.