ascertain

verb/ɐpuˈɾaɾ/medium

a·pu·rar

Definitions

1To find out or learn with certainty.

The committee will ascertain the facts of the case.

We must ascertain who is responsible.

syn

ant

Common collocations

ascertain the truthascertain the causeascertain the details

2To improve by making small changes; to purify.

He refined his technique over many years.

The sugar is refined to remove impurities.

syn

ant

Common collocations

refine one's skillsrefine a processrefined taste

Do latim 'pūrus' (puro), através do verbo 'apurar'.