Defn: Without doubt or question; unquestionably.
CERTAINNESS
Cer"tain*ness, n.
Defn: Certainty.
CERTAINTY
Cer"tain*ty, n.; pl. Certainties. Etym: [OF. certaineté.]
1. The quality, state, or condition, of being certain. The certainty of punishment is the truest security against crimes. Fisher Ames.
2. A fact or truth unquestionable established. Certainties are uninteresting and sating. Landor.
3. (Law)
Defn: Clearness; freedom from ambiguity; lucidity. Of a certainty, certainly.
CERTES
Cer"tes, adv. Etym: [F. certes, for à certes, fr. L. certus. See
Certain.]
Defn: Certainly; in truth; verily. [Archaic]
Certes it great pity was to see Him his nobility so foul deface.
Spenser.