unperplex
/(ˌ)ʌnpəˈplɛks/verb
1 [with object] To put an end to the perplexity, confusion, or affliction of. Also occasionally without object.
2 [with object] To disentangle. Usually figurative or in figurative context. Now rare.
Origin
Mid 17th century; earliest use found in John Donne (1572–1631), poet and Church of England clergyman. From un- + perplex.