1. Concepts
2. Hypotheses
3. Postulates
4. Axioms
5. Propositions
6. Presumptions
7. Notions
8. Ideas
9. Beliefs
10. Convictions
11. Concepts
12. Theorems
13. Principles
14. Philosophies
15. Paradigms
16. Speculations
17. Assumptions
18. Conjectures
19. Ideologies
20. Postulations
21. Suppositions
22. Dogmas
23. Doctrines
24. Assertions
25. Opinions
26. Prognostications
27. Predictions
28. Guidelines
29. Precepts
30. Maxims

Searching for synonyms for the word “theories” can be a daunting task. With so many different words to choose from, it can be difficult to know which ones are the best. Fortunately, there are a few key words and phrases that can help narrow down the search. Synonyms for “theories” include concepts, hypotheses, postulates, axioms, propositions, presumptions, notions, ideas, beliefs, and convictions. Other words for “theories” include theorems, principles, philosophies, paradigms, speculations, assumptions, conjectures, ideologies, postulations, suppositions, dogmas, doctrines, assertions, opinions, prognostications, predictions, guidelines, precepts, and maxims. All of these words can be used to accurately describe “theories” in different contexts. With the right selection of words, it is possible to find the best synonym for any given situation.