observably

adverb3

1. •
   In an observable manner.

   • From the point of view of earth-based observatories, the effect of the planet's orbit around the star is that the star observably wobbles.
2. •
   To a detectable degree, sufficient to be observed.

   • As the planet orbits the star, it causes a wobble in the star's motion, which can be detected as a small but observably large Doppler effect.
3. •
   Indicates that the proposition can be verified by observation.

   • Observably, the star wobbles.