1. The act or art of declaiming, according to rules, so as accurately to express the sentiment; a harangue; a display of empty impassioned rhetorical oratory.

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

• reclimation,
• reclamiation,
• decalaration,
• diclaration,
• declarartion,
• deflamation,
• reclamaition,
• delamation,
• declaraction,
• declariation,
• declaretion,
• declatration,
• declaaration,
• decclaration,
• declaratioon,
• deframation,
• declearation,
• declartion,
• declartation,
• declration

• declension,
• declamatory,
• declination,
• declaration.

The adverb form of the word "declamation" is "declamatorily".

The adjective form of the word "declamation" is "declamatory".

The plural of the "declamation" can be the "declamations".

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