Similar meaning:
* Exciting
* Stimulating
* Provoking
* Eliciting
* Awakening
* Inspiring
* Intriguing
More specific meanings:
* Erotic (for sexual arousal)
* Enticing (for tempting or attracting)
* Agitating (for causing unrest or disturbance)
* Inflaming (for intensifying emotions)
* Rousing (for exciting or stirring emotions)
Formal alternatives:
* Evoke
* Generate
* Produce
* Stimulate
It would be helpful to know the specific sentence or context where you want to use the word. For example, "arousing curiosity" could be replaced with "provoking curiosity," "arousing passion" could be replaced with "inspiring passion," or "arousing suspicion" could be replaced with "eliciting suspicion."