The correct option is
B Exoneration
The word 'implication' refers to the conclusion that can be drawn from something although it is not explicitly stated.
Option A, consideration refers to a fact or a motive taken into account in deciding something.
Option B, exoneration refers to the release of someone from a duty or obligation.
Option C, conclusion refers to the summing up of an argument or text.
Option D, interpretation refers to the action of explaining the meaning of something.
Thus, according to the meaning, the word 'exoneration' is the most opposite in meaning from the word 'implication'.