1. past tense of socialise; to interact with others in a friendly way
Usage: British spelling
2. past tense of socialise; to train someone to behave in ways that are acceptable to society
Usage: British spelling
3. past tense of socialise; to make something the responsibility of society as a whole rather than individuals
Usage: British spelling; political/economic context

Examples

• She socialised with her colleagues at the office party.
• The children were well socialised and knew how to behave politely.
• He rarely socialised outside of work hours.
• The government socialised the healthcare system.
• They socialised their dog by exposing it to different people and situations.
• The new employee quickly socialised with the team.
• Many European countries have socialised medicine.