engrossed

(verb) devote (oneself) fully to. Synonyms: steep, immerse, engulf, plunge, engross, absorb, soak up. Example: "He immersed himself into his studies."

(verb) consume all of one's attention or time. Synonyms: absorb, engross, engage, occupy. Example: "Her interest in butterflies absorbs her completely."

(adj) giving or marked by complete attention to. Synonyms: captive, absorbed, enwrapped, intent, wrapped. Examples: "That engrossed look or rapt delight." "Then wrapped in dreams." "So intent on this fantastic...narrative that she hardly stirred"- walter de la mare." "Rapt with wonder." "Wrapped in thought."

(adj) written formally in a large clear script, as a deed or other legal document.