1. One who summons or cites by authority.

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

• summeer,
• sumoner,
• someoner,
• summber,
• sumoned,
• summones,
• sumeone,
• summouned,
• sommone,
• summmer,
• sumone,
• summened,
• summonig,
• summond,
• summong,
• summonded,
• summner,
• sommoner,
• summer,
• dumfonder

The adjective form of the word "Summoner" is "summoning".

The plural form of the word "Summoner" is "Summoners"

The singular form of the word "Summoner" is "Summoner" itself.