noun. ['əbˈzɝːvəns'] the act of observing; taking a patient look.
noun. ['əbˈzɝːvəns'] the act of noticing or paying attention.
noun. ['əbˈzɝːvəns'] conformity with law or custom or practice etc..
noun. ['əbˈzɝːvəns'] a formal event performed on a special occasion.