"Sentire" means "to feel" or "to perceive". It's the source of many English words related to feeling and perception, including:
* Sensitive: Able to perceive or feel things easily.
* Sentiment: A feeling or opinion.
* Sensory: Relating to the senses.
* Conscience: The inner sense of what is right and wrong.
* Assent: Agreement or approval.
So, "sensitive" literally means "able to feel".