There are several ways to make a good first impression on a woman. If you meet some woman that you feel like her. Firstly, you must check youself that you look good yet. If you can make her think you look good, it's a good impression. After that you should go to greet her. You should talk with polite words that make her think you are gentleman. Finally, before you walk out form her. You don't forget to get something to contact form her for contact her later. ALl of this is part of how to make a good first impression on a woman who you don't knpw her.