When it transpires that something is the case, people discover that it is the case. It transpired that Paolo had left his driving licence at home As it transpired, the Labour government did not dare go against the pressures exerted by the City. = turn out
When something transpires, it happens. Some speakers of English consider this use to be incorrect. Nothing is known as yet about what transpired at the meeting
give off (water) through the skin come about, happen, or occur; "Several important events transpired last week" come to light; become known; "It transpired that she had worked as spy in East Germany" exude water vapor; "plants transpire" pass through the tissue or substance or its pores or interstices, as of gas