The phrase "had stab" can be tricky to find synonyms for, as it is a rather specific action. However, here are a few alternative phrases that could be used in certain contexts. "Made an attempt on someone's life," "lunged forward with a weapon," "delivered a blow with a sharp object," and "inflicted a wound with a stabbing motion" are all phrases that could be used instead of "had stab." Of course, it is important to use the proper language in such situations, particularly if discussing a criminal act. Regardless, there are a few options available for those seeking an alternative way of describing this particular action.