observational

As a noun evidence

is obviousness, clearness.

As an adjective observational is

(science) based on or pertaining to scientific observation.

As a noun measurement

is the act of measuring.

As an adjective observational is

(science) based on or pertaining to scientific observation.

As an adjective observational

is (science) based on or pertaining to scientific observation.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As adjectives the difference between observational and empirical

is that observational is (science) based on or pertaining to scientific observation while empirical is pertaining to or based on experience.

As adjectives the difference between observational and undefined

is that observational is (science) based on or pertaining to scientific observation while undefined is lacking a definition or value.

As an adjective observational

is based on or pertaining to scientific observation.

As a noun surveillance is

close observation of an individual or group; person or persons under suspicion.

As adjectives the difference between astute and observational

is that astute is quickly and critically discerning while observational is (science) based on or pertaining to scientific observation.

As an adjective observational

is (science) based on or pertaining to scientific observation.

As a verb observed is

(observe).

As adjectives the difference between participatory and observational

is that participatory is open to participation while observational is (science) based on or pertaining to scientific observation.

As adjectives the difference between observational and pragmatic

is that observational is (science) based on or pertaining to scientific observation while pragmatic is practical, concerned with making decisions and actions that are useful in practice, not just theory.