1. By gradations.

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

• fradational,
• vradational,
• bradational,
• hradational,
• yradational,
• geadational,
• gdadational,
• gfadational,
• gtadational,
• g5adational,
• g4adational,
• gratational,
• gradctional,
• Graduational,
• Graduatonal,
• Graduationel,
• Gradutional,
• Gradutionel,
• Graduetional,
• Graduatinal

• gradatory,
• traditional,
• gratuity,
• gratuitously,
• gravitational,
• gradation,
• gratuitous,
• graduation.

The adjective form of the word "gradational" is "gradational".

The plural form of the word "gradational" is "gradationals".

The singular form of the word "gradational" is "gradation"