mightily
From LSJ
ὄλβιος ὅστις ἱστορίης ἔσχεν μάθησιν → happy the man who has gained knowledge through inquiry (Εuripides, fr. 910)
greatly: P. and V. μέγα, μεγάλα, σφόδρα, κάρτα (Plato, but rare P. ); see greatly.
strongly: P. ἰσχυρῶς, P. and V. ἐρρωμένως; see vigorously.