— observability, observableness , n. — observably , adv.
/euhb zerr"veuh beuhl/ , adj.
1. capable of being or liable to be observed; noticeable; visible; discernible: an observable change in attitude.
2. worthy or important enough to be celebrated, followed, or observed: an observable holiday.
3. deserving of attention; noteworthy.
[ 1600-10; observabilis remarkable, equiv. to observa ( re ) to OBSERVE + -bilis -BLE ]