piaget piaffer • piagetian · · · Info · Definitions · Characters · · piaget · · Text Latin · · Script 6 · · Length 3 · · Syllables Definitions · · · (noun) Swiss psychologist remembered for his studies of cognitive development in children (1896-1980). Synonyms: Piaget, Jean Piaget. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 p latin small letter p U+0070 t latin small letter t U+0074