'To commune with one's self' definitions:

Definition of 'To commune with one's self'

From: GCIDE

Commune \Com*mune"\ (k[o^]m*m[=u]n"), v. i. [imp. & p. p. Communed (k[o^]m*m[=u]nd"); p. pr. & vb. n. Communing.] [OF. communier, fr. L. communicare to communicate, fr. communis common. See Common, and cf. Communicate.]
1. To converse together with sympathy and confidence; to interchange sentiments or feelings; to take counsel. [1913 Webster]
I would commune with you of such things That want no ear but yours. --Shak. [1913 Webster]
2. To receive the communion; to partake of the eucharist or Lord's supper. [1913 Webster]
To commune under both kinds. --Bp. Burnet. [1913 Webster]
To commune with one's self or {To commune with one's heart}, to think; to reflect; to meditate. [1913 Webster]