Womanising is a derogatory term used to describe a man who has a habit of pursuing romantic or sexual relationships with multiple women. If you're looking for more appropriate synonyms for this term, consider words like "philanderer", "playboy", or "ladies' man." Other options might include "skirt chaser," "woman hunter," "lady killer," "smooth operator", or "seducer." It's worth noting, however, that all of these terms carry a somewhat negative connotation and can be offensive to some people. It's important to choose your words carefully when discussing someone's behavior in this regard, and to avoid using language that might be hurtful or derogatory.