observaional
Observaional is not a recognized standard word in English. It is commonly encountered as a misspelling or typographical error for "observational" or, less often, as a nonce term. The correct form in most contexts is "observational." It is formed from observe + -ational, mirroring other adjectives such as operational or situational, but there is no separate dictionary entry for "observaional."
In practice, readers should assume the intended meaning aligns with "observational," which pertains to observation or
Because "observaional" lacks a fixed definition, its meaning is entirely dependent on context when it appears.
See also: observation; observational study; observational data; empiricism.