"easiness" in the noun sense
1. easiness, relaxation
a feeling of refreshing tranquility and an absence of tension or worry
"the easiness we feel when sleeping"
2. ease, easiness, simplicity, simpleness
freedom from difficulty or hardship or effort
"he rose through the ranks with apparent ease"
"they put it into containers for ease of transportation"
"the very easiness of the deed held her back"
3. easiness
the quality of being easy in behavior or style
"there was an easiness between them"
"a natural easiness of manner"
Source: WordNet® (An amazing lexical database of English)
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