I used often to linger of a morning by the high gate.—Aldrich
I delighted to loll over the quarter railing of a calm day. —Irving.
(10) Of reference, equal to about, concerning, with regard to.
The Turk lay dreaming of the hour.—Halleck.
Boasted of his prowess as a scalp hunter and duelist.—Bancroft.
Sank into reverie of home and boyhood scenes.—Id.
Idiomatic use with verbs.
Of is also used as an appendage of certain verbs, such as admit, accept, allow, approve, disapprove, permit, without adding to their meaning. It also accompanies the verbs tire, complain, repent, consist, avail (one's self), and others.
Exercise.—Find sentences with six uses of of.