You “rate” something in the hope that it becomes better, right? Or else, why go through the trouble of rating!
Read “Farrago” as “Far” + “Ago”. An incident occurred so far ago that you do not quite remember it well. You are confused as to what exactly happened.
“Eponymous” gives a name to the “Anonymous”! Remember thus!
Remember “Moribund” as “Mortal at the end”. The mortal person is at the point of death! Remember thus.
“Poseur” is someone who strikes a pose to impress others. In reality, he/she is very different from what he/she is trying to project.
“Conflation” should remind you of convergence of two flats to make a bigger flat! You just break the wall between the two flats to make a bigger house! Remember thus.
The suffix “-phile” refers to a person having fondness for something. Remember this always. Just “-phobe” is a suffix which refers to fear for something.
“Anathema” should remind you of anti-nationals who are vehemently disliked by their own countrymen. Remember thus!
“Exuberant” should remind you of the moments when you feel super – full of energy, life and laughter! Alternatively, think about super ants which are always full of energy to work for their colony, running hither and dither.
“Plenipotentiary” can be expanded as “Plenty Potential” which someone who has full power can easily claim to have!