If you're focusing on the sudden, uncontrolled movement:
* Orderly retreat: This emphasizes the controlled and organized nature of the movement, contrasting with the chaotic stampede.
* Steady progress: This highlights the slow and deliberate nature of the movement, opposite to the rapid and chaotic stampede.
If you're focusing on the large group of animals:
* Individual movement: This highlights the movement of one animal at a time, contrasting with the collective movement of a stampede.
* Scattering: This emphasizes the separation of a group, the opposite of the gathering and movement of a stampede.
If you're focusing on the fear and panic:
* Calm: This emphasizes the lack of fear and panic, contrasting with the fear-driven nature of a stampede.
* Peacefulness: This highlights the absence of chaos and unrest, opposite to the disruptive and frightening nature of a stampede.
Ultimately, the best antonym for "stampede" depends on the specific context and what aspect of the word you wish to contrast.