General terms:
* Tradition: This is the most direct and common noun for something traditional.
* Custom: This emphasizes the habitual practice or behavior of a particular group or society.
* Heritage: This focuses on the traditions and values passed down from previous generations.
* Folklore: This refers to the traditional beliefs, customs, stories, and songs of a particular group.
Specific terms:
* Ritual: This denotes a set of actions performed in a specific order, often with religious or cultural significance.
* Ceremony: This is a formal act or series of acts performed on a special occasion.
* Artifact: This refers to a tangible object that represents a particular tradition or culture.
* Legacy: This emphasizes the enduring impact of past traditions on the present.
The best choice will depend on the specific context and what aspect of "traditional" you want to highlight.