General words:
* Adjective: creative, innovative, informative, illustrative, representative, alternative, appreciative, tentative
* Noun: narrative, legislative, initiative, operative, preservative
* Verb: activate, deactivate, cultivate, motivate, navigate
* Adverb: tentatively, comparatively, alternatively
Specific fields:
* Science: abiotic, radioactive, vegetative, conductive
* Medicine: curative, preventative, palliative, regenerative
* Technology: interactive, collaborative, transformative, adaptive
* Business: competitive, lucrative, operative, proactive
Other:
* Descriptive: descriptive, predicative, participative
* Social: collaborative, conversative, affiliative
* Emotional: defensive, aggressive, frustrative, conciliatory
Remember: The suffix "-ative" often indicates an action, state, or quality. It can also be added to various roots to create new words.