Assiduous
thorough; diligent
Cogent
lucid; well argued
Divert
1. entertain; 2. distract; 3. cause a detour
Fractious
irritable; difficult to control
Inscrutable
mysterious; impenetrable
Mettle
courage; bravery; valor
Pellucid
transparently clear
Punctilious
paying attention to small details
Spurious
FALSE
Verbosity
using too many words