G1414
δυνατέω
be able
δυνατέω, -ῶ (δυνατός), to be able, be powerful, mighty: with inf., Rom.14:4, 2Co.9:8; absol., opposite to ἀσθενῶ 2Co.13:3.† (AS)
The KJV translates G1414 in the following manner:
mighty (2x)
Full Thayer's lexicon entry
δυνατέω — dynatéō
δυνατέω, δυνάτω; (δυνατός); to be powerful or mighty; show oneself powerful: 2Co 13:3 (opposed to ἀσθενῶ); to be able, have power: followed by an infinitive, Rom 14:4 L T Tr WH 2Co 9:8 L T Tr WH. Not found in secular writings nor in the Sept.
3 occurrences
Romans (1), II Corinthians (2)