“Facsimile” should remind you of “fake smile”. It looks like a smile but guess what: its fake!
By providing “facility” to someone, you help them achieve their goals in an easier manner. “Facilitate” should remind you of “facility” that makes achieving or doing something easier.
A facile problem is so superficial, simple and docile like a puppy that you are not afraid to face it!
The word “face-tious” should remind you of the phrase “making faces”. People sometimes make faces to tease someone or make fun of something, even in a serious situation!
The word gadfly contains the word “fly” – the winged insect that flies through air and often annoys us. Thus, gadfly should remind you of an annoying and irritating person who keeps buzzing around!
The word “facet” should remind you of “face”. At one time, we can only see one side or face or “facet” of something. Remember thus!
The word “facade” should remind you of “face”. Some may show you their true face while others may hide their true face and display a fake facade.