stabilization has 1 distinct synonym 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 destabilization.
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.
the act of stabilizing something or making it more stable
“he worked for price stabilization for farm products”
the act of making something (as a vessel or aircraft) less likely to overturn
Synonyms, antonyms and the broader and narrower relations for stabilization come from Princeton University’s WordNet. Full sources and licences.