"To host a party" means taking on the responsibility of organizing and arranging an event where people gather to celebrate, socialize, and have a good time. Full definition
We always host a party at our house for our older teenagers & their friends. (gingersnapcrafts.com)
You're hosting a party in less than an hour, but somehow you ran out of time to clean the place up. (nousdecor.com)
This is especially true if you're a busy mom or dad who needs creative party ideas and tips for hosting a party with little time and money to spare. (bellenza.com)