To instruct, usually subconsciously, in the etiquette of a society(verb)
To take into collective or governmental ownership(verb)
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Use "socialise" in a sentence
"It could also be that children from weaalthier backgrounds are more likely to be in schools that offer after school activities/ boarding/ single sex education etc. and also that they can afford too invest their time in other time consuming, expensive activities, so their is less opportunity to 'socialise', as it were."
"Then all these old people arrived and we had to 'socialise' with them for about an hour before we all went into the buffet thing for lunch."
"The PAC wanted to "socialise" the economy but did not want to chase whites into the sea."