1. Assurance
2. Belief
3. Certainty
4. Certitude
5. Confidence
6. Conviction
7. Credence
8. Deduction
9. Dogma
10. Faith
11. Feeling
12. Inference
13. Judgment
14. Opinion
15. Persuasion
16. Position
17. Postulation
18. Presumption
19. Principle
20. Proposal
21. Reasoning
22. Sentiment
23. Stand
24. Stance
25. Statement
26. Supposition
27. Testimony
28. Theory
29. Trust
30. View

Finding synonyms for the word “conviction” can be a challenge. However, there are a number of words that can be used to describe the same meaning. These words can be used to express confidence, belief, and certainty in a particular idea or opinion. Some of the best ideas for synonyms for “conviction” include assurance, belief, certainty, certitude, confidence, credence, dogma, faith, feeling, inference, judgment, opinion, persuasion, position, postulation, presumption, principle, proposal, reasoning, sentiment, stand, stance, statement, supposition, testimony, theory, trust, and view. These words can be used to provide a variety of other words for “conviction” in order to convey the same meaning.