General:
* Temperament: This is a broad term describing the horse's overall disposition, including their sensitivity, reactivity, and energy levels.
* Character: This suggests the horse's innate qualities and moral compass, how they respond to situations, and how they interact with others.
* Spirit: This emphasizes the horse's energy and zest for life, their enthusiasm and willingness to engage.
Specific traits:
* Bold: Brave, adventurous, and willing to try new things.
* Sensitive: Responsive to their environment and easily affected by their surroundings.
* Gentle: Calm, kind, and patient.
* Intelligent: Quick learners and eager to please.
* Playful: Enjoys games and having fun.
* Loyal: Forms strong bonds with their human companions and are fiercely devoted to them.
* Nervous: Easily startled and prone to anxiety.
* Stubborn: Strong-willed and resistant to being controlled.
Ultimately, the best word to describe a horse's personality depends on the individual horse and the specific traits you want to highlight.