certain
Cross references: 1. sure 1. cer.tain \'s*rt-*n\ \-le-\ aj [ME, fr. OF, fr. (assumed) VL certanus, fr. L certus, fr. pp. of Xcernere, to sift, discern, decide; akin to Gk krinein to separate, decide, judge, keirein to cut - more at SHEAR 1a: FIXED, SETTLED 1b: proved to be true 2: of a specific but unspecified character : PARTICULAR 3a: DEPENDABLE, RELIABLE 3b: INDISPUTABLE 4a: INEVITABLE 4b: incapable of failing : DESTINED 5: assured in mind or action - cer.tain.ly av 2. certain pn pl in constr : certain ones
Webster's English Dictionary