;adv. Spiritually; spirĭtālĭter :-- Ðeáh he gódes hwæt onginne gǽstlíce though he attempt aught of good spiritually, Exon. 71 b; Th. 266, 15; Jul. 398. v. gástlíce.
Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "gǽstlíce." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 358.