Which term can define both a monetary aspect and implications related to finances?

The term "pecuniary" specifically relates to money and financial matters. It encompasses anything associated with financial transactions, wealth, or economic conditions. This makes it the most fitting choice for defining both monetary aspects and implications related to finances. In finance-related contexts, the term is used to describe obligations, interests, or situations that have a monetary value or consequence.

In contrast, "pathos" refers to emotional appeal in rhetoric; "panoply" denotes a complete or impressive collection of things, often used in a broader, more literary sense; while "palpitate" relates to the beating or throbbing of the heart. None of these options pertain to finance or monetary terms, further emphasizing why "pecuniary" is the correct and most relevant choice in this context.