It isn't hard to be a good host, but there are some basic rules you've got to remember. One of the first ones is to bear in mind the occasion for the event — whether it is to celebrate a promotion, to welcome friends from out of town, to say thank you to someone who has done you a good tur, or just because you want to hail a new season with some of your favorite dishes and people. Once you consider why you're inviting people over in the first place, you can choose a stellar guest list — and the guest list matters. But that's just one thing to remember. Here are some rules followed by some of the most successful hosts we know — rules that will have you entertaining with ease.