Added 9 October 2026 estimatable adjective adjective ! Definition from Wiktionary (CC BY-SA). More about estimatable at Wordnik → Where our words come from → Able to be estimated. Origin From estimate + -able. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: estimableunderestimatableassessablereckonableappraisablecalculablevaluableguessablecalculatablemeasurableevaluablecommeasurable Back to today's word