mirific
/ˌmʌɪˈrɪfɪk/adjective
That works wonders; exciting wonder or astonishment; marvellous. Also (humorously ) in weakened sense.
Origin
Late 15th century; earliest use found in William Caxton (1415x24–1492), printer, merchant, and diplomat. From Middle French, French mirifique causing wonder or admiration, amazing and its etymon classical Latin mīrificus from mīrus wonderful + -ficus.