The Greek verb analambanō means to take up, to lift up, or to receive. In the New Testament it is the primary verb for the Ascension of Christ — Jesus being 'taken up' into heaven (Acts 1:2, 11, 22). It also describes putting on armor (Ephesians 6:13, 16) and taking companions along on journeys.
The Ascension is one of the most theologically underappreciated events in Christian doctrine. Analambanō in Acts 1:2, 11 ('he was taken up before their very eyes') anchors the Ascension as a real, witnessed event. The Ascension means Christ's resurrection body entered heaven — establishing the precedent for the glorified bodily existence of all believers. It also marks the transition from Christ's physical presence to the Spirit's universal presence (John 16:7). Christ's session at the Father's right hand (Hebrews 1:3; 12:2) — which follows the Ascension — means He now intercedes for His people (Romans 8:34; Hebrews 7:25). The Ascension is not departure but new mode of presence.