“Exculpate” should remind you of ex-culprit. That is, you were previously thought to be a culprit but now: no more! You are clear from the charge!
You are vindicated when all indications prove that you are right, pointing towards your victory (“V” for “Victory”).
You were at a party. To prove that, you use another alive person to stand as proof because he/she saw you in that party.
Additionally, “Alibi” in Latin means “in or at another place”.
A talkative someone who speaks all “Garbage” (trivial stuff) out “loud” is being “Garrulous”.
“Occlude” rhymes with “Conclude”. You close up an event by concluding it. Remember thus!
Human Aspect: Importance of Precedent
Precedents are important. It is important to set some precedents. It is important to avoid setting some.
Think about an ambulance that takes you for a minor surgery and brings you back the same day.
Society & Us: Means of Production
The means of production includes two broad categories of objects: instruments of labor (tools, factories, infrastructure, etc) and subjects of labor (natural resources and raw materials).
Immutable should remind of shape- or form-shifting mutants who should remind you of “change”. Immutable, thus, is anything which does not change.
Society & Us: Varna and Caste
The caste stratification has its origin in the Varna System which was prevalent during the Vedic period and was mainly based on the principle of division of labor and occupation.