Pronunciation: (ub-zûr'vu-bul), [key]
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.