General:
* Creative: Implies a space or process where new ideas are being explored and things are being put together in a unique way.
* Energetic: Suggests a lively atmosphere where things are happening and there's a sense of dynamism.
* Unconventional: Points to a departure from traditional norms and expectations, suggesting originality and nonconformity.
* Free-spirited: Conveys a sense of liberation and a lack of rigidity, suggesting a person or environment that embraces spontaneity.
Specific to situations:
* Improvisational: Implies a willingness to adapt and make things work in the moment, often in a playful or resourceful way.
* Rustic: Can evoke a sense of charm and authenticity, particularly for spaces or objects that are intentionally kept rough or unrefined.
* Passionate: Suggests a strong emotional connection to a project or task, leading to an unbridled and possibly messy approach.
Other options:
* Eclectic: Describes a collection or environment that mixes diverse elements in a way that is visually interesting.
* Intriguing: Suggests that something is captivating or mysterious, possibly because of its unusual or unconventional nature.
Ultimately, the best positive connotation for "messy" depends on the context and the specific meaning you want to convey.