rapt attention

• rivetedFastened or enthralled
• absorbedTook in fully
• engrossedWholly absorbed in something
• spellboundHeld as if enchanted
• captivatedWholly absorbed by something

transfixed · mesmerized · enthralled · fascinated · focused · intent · hanging · breathless · wide-eyed · unblinking · leaning · hushed · stillness · gripped · hooked · concentrated · immersed · entranced

• attentionattention, focus, focused, attentiveness, focused attention
• focusfocus, concentration, attention, focal point, concentrate
• captivationfascination, captivation, enthrallment, bewitchment, entrancement
• mental claritymental clarity, lucidity, clear thinking, clear head, clear-headedness