1. observable - Noun
2. observable - Adjective
3. observable - Adjective Satellite
Worthy or capable of being observed; discernible; noticeable; remarkable.
Source: Webster's dictionaryThe future will be determined in part by happenings that it is impossible to foresee; it will also be influenced by trends that are now existent and observable. Emily Greene Balch
Isolated material particles are abstractions, their properties being definable and observable only through their interaction with other systems. Niels Bohr
If anything, there's a reverse Moore's Law observable in software: As processors become faster and memory becomes cheaper, software becomes correspondingly slower and more bloated, using up all available resources. Jaron Lanier
Hempseed produces no observable high for humans or birds. Jack Herer
[...]the simple-minded positivism that believes it has found a firm ground of certainty if it only excludes all mental phenomena from consideration and holds fast to observable facts. Hannah Arendt
Great minds had rather deserve contemporaneous applause, without obtaining it, than obtain, without deserving it; if it follow them, it is well, but they will not deviate to follow it. With inferior minds the reverse is observable. Charles Caleb Colton