unperplexed
un·perp·le·xed
adjective
1.
experiencing no difficulty or confusion or bewilderment
Origin
From un- + perplexed.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.