ἐπαγωγικῶς

From LSJ

λίγεια μινύρεται θαμίζουσα μάλιστ' ἀηδών → the sweet-voiced nightingale mourns constantly, the sweet-voiced nightingale most loves to warble

Source

Russian (Dvoretsky)

ἐπᾰγωγικῶς: лог. методом индукции, индуктивно (βεβαιοῦσθαι Sext.).