“Plenipotentiary” can be expanded as “Plenty Potential” which someone who has full power can easily claim to have!
“Minacious” should be very easy to remember as it sounds very close to its meaning “Menacing”.
“Sciolism” should remind you of someone who pretends to know a lot about “Socialism” but in reality cannot even spell it correctly let alone knowing other aspects of it.
“Autarkic” or “Autarky” should remind you of “Autonomy”-the right or condition of self-government. The idea of autarky may be thought of as an extension of autonomy.
“Bodacious” should remind of someone with a great body, an athletic physique who looks attractive.
Livery rhymes with shivery. When one is shivery, it is apparent from their outward condition. Similarly, livery tells us about the rank and status of the person clad in that.
You write quotes in your diary daily. This quotidian habit of yours helps you memorize quotes.
You are anxious that there is a trap just ahead of you. Hence, the feeling of trepidation!
“Consternation” should remind you of “Concern”.
A delusion is delusive! A delusion is far moved from reality. It is a lie!