Absorption is the process of taking in or assimilating information, substances, or energy. EXHAUSTION (10 letters) is a state of extreme physical or mental fatigue. IMMERSION (9 letters) is the act of submerging oneself in a liquid or other substance. INGESTION (9 letters) is the process of taking in food or other substances into the body. INTENTNESS (10 letters) is the quality of being focused on a particular goal or task. INTEREST (8 letters) is a feeling of curiosity or concern about something. DAYDREAM (8 letters) is a pleasant, imaginative REVERIE. PREOCCUPATION (13 letters) is an excessive PREOCCUPATION with a single idea or topic. RECEPTION (9 letters) is the act of receiving or accepting something. REFLECTION (10 letters) is the act of thinking deeply about something. ENGROSSMENT (11 letters) is the state of being completely absorbed in an activity or thought. Osmosis (7 letters) is the process by which molecules of a solvent pass through a semipermeable membrane from a less concentrated solution into a more concentrated one. ABSTRACTION (11 letters) is the process of removing or separating something from something else. RETENTION (9 letters) is the act of keeping or holding something. CONCENTRATION (13 letters) is the act of focusing all of one's ATTENTION on a single object or activity. REVERIE (7 letters) is a state of being lost in thought or daydreaming. ATTENTION (9 letters) is the act of focusing one's thoughts on a particular object or activity. CONTEMPLATION (13 letters) is the act of looking thoughtfully at something for a long period of time. DIGESTION (9 letters) is the process of breaking down food into simpler components that can be absorbed by the body. Intake (6 letters) is the act of taking in or ingesting something. MERGER (6 letters) is the combining of two or more entities into one. Uptake (6 letters) is the process of absorbing or assimilating something.