The Database of Semantic Shifts in the languages of the world

ignorant → pleasant 1 realization Unique

ID	Relation type	Meaning 1	Direction	Meaning 2

NEW Realization 1
type		Semantic evolution
language 1		Middle English
language 2		English
lexeme		nice
meaning 1	foolish, ignorant, frivolous, senseless (of persons)
direction	→
meaning 2	pleasant
reference		Harper's Etymonline
comment		In English since late 13th century. from Old French nice (12c.) "careless, clumsy; weak; poor, needy; simple, stupid, silly, foolish," from Latin nescius "ignorant, unaware," literally "not-knowing," from ne- "not" + stem of scire "to know" (https://www.etymonline.com/word/nice )