IPA: /ˌɒbzəˈveɪʃənl/
KK: /ˌɑːbzərˈveɪʃənl/
Related to the act of watching or noticing something carefully, often for scientific or analytical purposes.
The researchers conducted an observational study to gather data on animal behavior.
Observational → It is formed from "observare" (meaning to watch or pay attention) and the suffix "-al" (meaning relating to). The word "observational" refers to something that is related to the act of watching or paying attention to something.
Think of the act of 'watching' ('observare') and how it relates to something that is 'about' that act ('-al'). This helps you remember that 'observational' means relating to watching or paying attention.