cinnteach

Etymology
From. .

Adjective

 * 1) certain, sure, confident, positive
 * 2) certain, sure, actual, confident, definite
 * 3) accurate, authentic, veritable
 * 1) accurate, authentic, veritable
 * 1) accurate, authentic, veritable

Usage notes

 * The preposition ( before the definite article) or the appropriate prepositional pronoun is used to express "sure of" etc: