ἐπιχειρητικός

ή, όν
A. in or for attack, δεινότης Plu. 2.978b.
II. ἡ ‐κὴ δύναμις the faculty of argumentation, Arr. Epict. 1.8.7.
2. attempting to prove, Ascl. in Metaph. 224.6, Alex.Aphr. in Metaph. 176.35.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project