The term "plane sailing" refers to a situation or activity that is straightforward, uncomplicated, and easy to manage. There are several synonyms for this phrase, including smooth sailing, easy going, trouble-free, simple, effortless, and uncomplicated. These synonyms can be used interchangeably with "plane sailing" to describe a variety of things, from a smooth journey to a management system that runs smoothly. Regardless of the context, these synonyms all convey a sense of ease, simplicity, and a lack of obstacles or complications. Using these alternatives to "plane sailing" can add variety and nuance to your language and help you communicate more effectively.