mortarboard: an academic cap with a flat square with a tassel on top
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
albuterol: a bronchodilator (trade names Ventolin or Proventil) used for asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects are tachycardia and shakiness