independent study

: not dependent: such as

: not subject to control by others : self-governing

: not affiliated with a larger controlling unit

: a sectarian of an English religious movement for congregational autonomy originating in the late 16th century, giving rise to Congregationalists, Baptists, and Friends, and forming one of the major political groupings of the period of Cromwell

: one that is independent

: a state of contemplation : reverie

: application of the mental faculties to the acquisition of knowledge

: such application in a particular field or to a specific subject

: to engage in study

: to undertake formal study of a subject

: meditate, reflect