Preposition: in

• nature: At present, contributions to this latter field have been mainly theoretical in nature.

Modifies a noun

• framework: From an early stage an explicit theoretical framework has been used to guide the project.

• physic: Apart from Linux I enjoy reading books on theoretical physics.

• perspective: The group welcomes work on the state from any theoretical perspective.

• physicist: Professor Stephen Hawking British theoretical physicist noted for his research into the origin of the universe.

• foundation: Black Panther Theory: The practices of the late Malcolm X were deeply rooted in the theoretical foundations of the Black Panther Party.

• underpinning: The importance of Logic in providing crucial theoretical underpinnings for computer science, is now widely recognized.

Modifying Another Word

• purely: The purely theoretical aspects of the module will be delivered in a small number of lectures.

• merely: This interest was not merely theoretical - he found the actual preparing and compounding of ointments and plasters very absorbing.

• explicitly: This symposium aims at addressing such issues from an explicitly theoretical rather than heuristic perspective.

• mainly: At present, contributions to this latter field have been mainly theoretical in nature.

• highly: The model offers an explicit critique of those highly theoretical programs or courses that do not value the prior experience or knowledge of students.

• mostly: My work is mostly theoretical but its results also bear directly on issues of experimental implementation.

Used with adjective complement

• remain: In my view, the possibility of such a link remains theoretical.

• seem: Studying Shakespeare often seems very theoretical because students aren't usually going to put the play on themselves.

• offer: Therefore, manuscripts offering theoretical, conceptual, and practical contributions for ECRM are encouraged.