1. a treatise or written work, especially on a religious or philosophical subject
Usage: formal

Examples

• The scholar published a tractate on medieval theology.
• His tractate examined the philosophical implications of free will.
• The ancient tractate contained wisdom about ethical living.
• She spent years researching for her tractate on religious symbolism.
• The university library housed several rare tractates from the 16th century.
• The philosopher’s tractate influenced generations of thinkers.