In an ideal world, all things being equal, and hypothetically are all synonyms for in theory. In practice and in reality are antonyms of in theory. And here are 8 another word for in theory.
All things being equal, hypothetically, in an ideal world, in principle, in the abstract, on paper, and en principe are all synonyms for in theory.
In theory synonym page has a variety of synonyms that differ in length. 1 synonym with 7, 11, 13, and 19 letters and 2 synonyms with 14 letters. For a total of 6 another word for in theory.
In theory, this plan should succeed.
The system works well in theory.
In theory, everyone should cooperate together.
In theory, it sounds quite feasible.