Un meditated refers to an action that is not thought out or carefully planned. To find antonyms for un meditated, we need to look for words that describe actions that are deliberate and considered. These antonyms could include terms like "premeditated," "calculated," "planned," "intentional," "deliberate," "thoughtful," "purposeful," or "considered." These words all suggest that the action in question has been carefully considered and is not impulsive or hasty. Using these antonyms for un mediated can help us describe actions more precisely and give a clearer understanding of someone's intentions.