What Is Another Way to Say “In Theory”?

Looking for synonyms for in theory? We’ve got you covered!

Here’s a list of other ways to say in theory.

  • Hypothetically
  • Theoretically
  • On paper
  • In principle
  • Conceptually
  • Supposedly
  • Abstractly
  • Academically
  • Ideally
  • Speculatively
  • Philosophically
  • Notionally
  • In a hypothetical sense
  • In an ideal world
  • Presumably

Want to learn how to say in theory professionally? Keep reading for examples and use cases.

1. Hypothetically

Appropriate Use: Suitable for situations that are being considered based on assumptions rather than reality.
Example: Hypothetically, if we doubled our marketing budget, what impact would that have on sales?

2. Theoretically

Appropriate Use: Ideal for scenarios that are possible in theory, but not necessarily in practice.
Example: Theoretically, the new software could handle triple our current volume of transactions.

3. On Paper

Appropriate Use: Best used to describe something that appears to be true or viable when written down or planned, but not necessarily so in reality.
Example: On paper, the merger between the two companies looks profitable.

4. In Principle

Appropriate Use: Suitable for describing a general idea or plan, without consideration of practical details.
Example: In principle, the new policy could streamline our operations, but implementation details are still unclear.

5. Conceptually

Appropriate Use: Ideal for when discussing the abstract or theoretical idea of something.
Example: Conceptually, this approach to problem-solving is very innovative.

6. Supposedly

Appropriate Use: Best for describing something that is believed or assumed to be the case, but without concrete evidence.
Example: The new system is supposedly more efficient, but we have yet to see evidence of this.

7. Abstractly

Appropriate Use: Suitable for a discussion that is more theoretical than practical.
Example: Abstractly, the concept of a four-day workweek is appealing to many.

8. Academically

Appropriate Use: Ideal for scenarios or ideas that are more relevant in scholarly contexts than in practical situations.
Example: Academically, the study offers groundbreaking insights, but its real-world application is limited.

9. Ideally

Appropriate Use: Best for describing a perfect but possibly unrealistic scenario.
Example: Ideally, the project will be completed with no delays or budget overruns.

10. Speculatively

Appropriate Use: Suitable for a scenario that is based on conjecture rather than knowledge.
Example: Speculatively, entering the Asian market could vastly increase our customer base.

11. Philosophically

Appropriate Use: Ideal for discussing the fundamental nature or theoretical basis of something.
Example: Philosophically, the company’s approach to sustainability aligns with its core values.

12. Notionally

Appropriate Use: Best for ideas or concepts that exist in theory or as part of a plan but not in reality.
Example: Notionally, the team is in favor of the changes, but there’s been some resistance in practice.

13. In a Hypothetical Sense

Appropriate Use: Suitable for discussing something in terms of a hypothesis or untested theory.
Example: In a hypothetical sense, the merger could open up several new markets for us.

14. In an Ideal World

Appropriate Use: Ideal for describing a best-case scenario that may not be achievable.
Example: In an ideal world, we would have unlimited resources to invest in research and development.

15. Presumably

Appropriate Use: Best used when making an educated guess based on theory or probability.
Example: Presumably, the changes in legislation will have a significant impact on our business operations.

Linda Brown