mobilization has 3 distinct synonyms spread across 2 of its 2 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. Its one recorded opposite is demobilization.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
act of assembling and putting into readiness for war or other emergency: "mobilization of the troops"
Synonyms, antonyms and the broader and narrower relations for mobilization come from Princeton University’s WordNet. Full sources and licences.
act of marshaling and organizing and making ready for use or action
“mobilization of the country's economic resources”