Select the most appropriate one-word substitution for the given group of words. 

An act or remark that is calculated to gain an advantage.

Gambit

The most appropriate one-word substitution for an act or remark that is calculated to gain an advantage is gambit.

• Philatelist is a person who collects stamps.
• Novice is a beginner or inexperienced person.
• Heretic is a person who holds beliefs that are contrary to the established religious doctrine.

The word gambit is derived from the Italian word gambetto, meaning "a trick" or "a feint". It is a chess opening in which a player sacrifices a piece in order to gain a strategic advantage. The word is also used more generally to describe any act or remark that is calculated to gain an advantage.