Toying with is a phrase that implies playing around with an idea or thought without necessarily committing to it. Synonyms that can be used in place of toying with include dabbling, flirting with, toying around, testing the waters, considering, playing with, and debating. These words can be used interchangeably depending on the context of the sentence. For instance, you can use dabbling with when you are trying something new but not taking it seriously yet. However, flirting with can mean that you are exploring something casually and with a bit more seriousness. Synonyms tend to add layers of nuance to language, helping to convey more specific or subtle ideas.