beghast
To fill with shock, awe, wonder, or amazement; inspire; enthuse.
transitive
[...] And all, but my own heart-wound I Beside me, (as I sat alone, Beghasted with wild dreams), [...]
Where it comes from
From be- + ghast. Cognate with German begeistern (“to inspire, excite, thrill”).
Adapted from the Wiktionary entry beghast (CC BY-SA 4.0).