noun
1.
Synonyms: order 11, appositeness, appropriateness, aptness, fitness, meetness, propriety, rightness, suitability, suitableness
Related Word: propitiousness; convenience
2.
Synonyms: resource 3, dernier ressort, expedient, makeshift, recourse, resort, shift, stopgap, substitute, surrogate
Related Word: design, strategy, tactic; measure, step
Idioms: card up one's sleeve, means to an end