ἐπι-βαίνω
[in LXX chiefly for רָכַב ;]
__1. to get up on, mount: before ἐπί, with accusative, Mat.21:5 (LXX); to embark in (a boat), go aboard: with dative, Act.27:2; before εἰς, Act.21:6 (Rec.); absol., Act.21:2.
__2. to go up to, go on to, enter: before εἰς, Act.20:18 21:4; with dative, Act.25:1.†
(AS)