1. (a.) Inspecting within; seeing inwardly; capable of, or exercising, inspection; self-conscious.

2. (a.) Involving the act or results of conscious knowledge of physical phenomena; -- contrasted with associational.

absorbed abstracted buried in thought cogitative cognitive concentrating concentrative conceptive conceptual conceptualized contemplating contemplative deliberating deliberative engaged in thought engrossed engrossed in thought excogitating ideative immersed in thought lost in thought meditating meditative mental museful musing noetic occupied pensive pondering prehensive preoccupied rapt reflecting reflective ruminant ruminating ruminative serious sober speculative thinking thought thoughtful wistful wrapped in thought