IPA: /ˈstrætədʒəm/
KK: /ˈstrætəˌdʒɛm/
A clever plan or trick used to achieve a specific goal, often involving deception.
The general used a stratagem to outsmart the enemy during the battle.
Stratagem → It is formed from "strata" (from Greek "stratēgía", meaning generalship or military planning) and "-gem" (a suffix used in English to denote a plan or scheme). The word "stratagem" refers to a clever plan or scheme, especially one used to outwit an opponent.
Think of a clever military plan ('strata') that is designed to outsmart an opponent — that's what a stratagem is.
No commonly confused words.