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This tool relates English terms to concepts from the SUMO ontology by means of mappings to WordNet synsets.

English Word: 
According to WordNet, the noun "illusion" has 4 sense(s).

100754767 the act of deluding; deception by creating illusory ideas.

105896059 something many people believe that is false; "they have the illusion that I am very wealthy".

100099951 an illusory feat; considered magical by naive observers.

105939636 an erroneous mental representation.

Explore the word illusion on the WordNet web site.

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