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ascending
ascending bottoms
ascending tops
Ascension
ascension
Ascension Day
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ascent
ascertain
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ascertain
as·cer·tain [ àssər táyn ] (past and past participle as·cer·tained, present participle as·cer·tain·ing, 3rd person present singular as·cer·tains)


transitive and intransitive verb 
Definition:
 
determine something: to find out something with certainty ( formal )

[Late 16th century. < Old French acertain-, stem of acertener< certain (see certain)]

as·cer·tain·a·ble adjective
as·cer·tain·a·bly adverb
as·cer·tain·ment noun
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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