1. Ascension, progression, or arrangement step by step in regular order; regular arrangement, as in the gradual blending of one tint into another; a diatonic ascending or descending succession of chords.

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

• graduatuion,
• graduaton,
• gradulation,
• radition,
• raidation,
• tradtion,
• grduation,
• egraduation,
• irradation,
• draduation,
• graguation,
• graduatiion,
• graduatyion,
• grdauation,
• graduationd,
• iratation,
• gradutaion,
• radtion,
• granduation,
• gradution

• graduation,
• gradatory,
• graded,
• gratuitously,
• radiation,
• gradational,
• gratuitous,
• gratuity,
• gradate.

The adverb form of the word "gradation" is "gradationally".

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

The plural of the "gradation" can be the "gradations".

The singular of the "gradation" can be the "gradation".