"Toe in water" is a popular idiom that means to try something new, but with caution and hesitation. Here are a few synonyms for "toe in water":
1. Dip a toe: This is a synonym that is quite similar to "toe in water", as it means to try something in a cautious and hesitant way.
2. Test the waters: This phrase implies a more deliberate attempt to gather information before fully committing.
3. Just dabbling: This phrase suggests a minor or superficial attempt at something.
4. Sampling: This word can be used to describe a trial run of something, such as a new hobby or area of interest.
5. Tasting: Just like sampling, tasting can refer to trying something briefly to see if you like it.