Trepidation - fear or agitation about something that may happen
Ambivalence - mixed or contradictory feelings
Convivial - friendly, lively, enjoyable atmosphere  
Onerous
Efficacious 
Vicissitude 
Archaic - old fashioned / out of date
Sonorous - imposingly deep and full sound
Insular - ignorant of others 
Amalgam - mixture or blend
Disseminate 
Proclivity - tendency to do something
Prescient - having knowledge of events before they take place
Clarke Kent in the phone box (superman reference) where the persona of one thing is different to the other
Homogenous - having the same relation, relative position or structure. Similar.
Opulence - great wealth or luxury
Extemporaneous - spoken or done without preparation (extemporary)
Vociferous 
Lucidity - expressed clearly or easy to understand
Abnegation - the act of rejecting something - self denial
Risible - provoking laughter through being ludicrous 
Equanimity - calmness and composure, especially in a difficult situation
Recalcitrant - Having an stubborn uncooperative attitude towards authority 
Alacrity - brisk and cheerful readiness. "she accepted the pillow with alacrity"
Tech sagacious  - Technology smart. "he's certainly a tech-sagacious fellow."
Persnickity - It means overparticular; fussy. 
Defenestration - The act of throwing something or someone out of a window.
Copasetic - Completely satisfactory.
Elucidate - Make clear
Platitude - A remark or statement, especially one with moral content, that has been used to often to be interesting or thoughtful