Knowing what to do with what you know.
A person can hold a great deal of correct information and still act badly with it — misjudge timing, misread a situation, apply a true principle in the wrong place. Hikmah names the missing capacity: not more knowledge, but the judgment that makes existing knowledge usable.
Classical scholars defined hikmah as putting things in their due place and portion — understanding the essence of a thing well enough to accord it its proper status and respond to it correctly. Ibn al-Qayyim framed it as acting in the most appropriate way, at the most appropriate time, in the most appropriate manner — combining knowledge and insight rather than treating either alone as sufficient. Later philosophers in the Islamic tradition, including Suhrawardi, elevated it further into al-hikmat al-ilahiyyah — divine wisdom, something to be realized in one’s whole being, not just held mentally.
Seyyed Hossein Nasr argues the Arabic hikmah doesn’t map cleanly onto the modern European sense of “philosophy” at all — it sits closer to the original Greek theosophia, wisdom pursued as the rightful activity of the intellect rather than reason exercised for its own sake, retaining theosophical and gnostic dimensions alongside its logical ones. Source: Seyyed Hossein Nasr, Islamic Philosophy from Its Origin to the Present: Philosophy in the Land of Prophecy (SUNY Press, 2006).