1. Attitude
2. Disposition
3. Outlook
4. Mindset
5. Temperament
6. Intellect
7. Ideology
8. Notion
9. Point of view
10. Frame of mind
11. Perception
12. Ideation
13. Cognition
14. Reasoning
15. Thinking
16. Belief
17. Understanding
18. Philosophy
19. Conviction
20. Ideology
21. Worldview
22. Intuition
23. Perspective
24. Apprehension
25. Inclination
26. Impulse
27. Prejudice
28. Judgment
29. Conviction
30. Aptitude

Searching for synonyms for the word “mentality” can be challenging. However, there are many different words that can be used in its place. When considering other words for “mentality”, some of the best ideas include attitude, disposition, outlook, mindset, temperament, intellect, notion, point of view, frame of mind, perception, ideation, cognition, reasoning, thinking, belief, understanding, philosophy, conviction, ideology, worldview, intuition, perspective, apprehension, inclination, impulse, prejudice, judgment, conviction, and aptitude. These words can be used to accurately express the same concept as “mentality” and can be used in a variety of contexts.