[as.cer.tain] vt [ME acertainen, fr. MF acertainer, fr. a- (fr. L ad-) + certain] (15c) 1 archaic: to make certain, exact, or precise
2: to find out or learn with certainty syn see discover -- as.cer.tain.able adj -- as.cer.tain.ment n
[as.cer.tain] vt [ME acertainen, fr. MF acertainer, fr. a- (fr. L ad-) + certain] (15c) 1 archaic: to make certain, exact, or precise
2: to find out or learn with certainty syn see discover -- as.cer.tain.able adj -- as.cer.tain.ment n
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012