1. The art of reasoning, arguing, or discussing; that branch of logic which teaches the rules and modes of reasoning; the logic of the phenomenal; the logic of thought.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• diurectics,
• dibectics,
• dielectic,
• dilectic,
• alectiis,
• dalectic,
• dialectic,
• dyalectic,
• dialectical,
• sialectics,
• xialectics,
• cialectics,
• fialectics,
• rialectics,
• eialectics,
• dalectics,
• dyalectics,
• dialactics,
• haleutics,
• dilaectrics

• dialectical,
• dielectric,
• dialectically,
• dialectician,
• dialect atlas,
• dialectic,
• dialectal,
• dialect.

The adjective form of the word "dialectics" is "dialectical".