IPA: /əˈbɜːrvəblɪ/
KK: /əbˈzɜrvəblɪ/
In a way that can be seen or noticed; able to be observed or detected.
The changes in the experiment were observably significant, showing clear results.
Observably → It is formed from "observare" (meaning to watch or pay attention) and the suffix "-ably" (meaning in a manner that can be). The word "observably" means in a manner that can be observed or noticed.
Think of 'observing' something closely — 'observably' means it can be noticed or seen clearly.