To join something, after signing.
I never signed on for this.
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To commit oneself, as to a project, a goal, an organization, a cause.
By January of 1996 President Clinton himself had apparently signed on with his declaration in the State of the Union message that "the era of big government is over."
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(broadcasting) To begin broadcasting a radio or television signal, usually at the beginning of a broadcasting day and after being off the air for several hours.
As a result, all the teachers at Phillips have signed on to a certain curriculum and follow common practices in the classroom.
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The vocabulary of software engineers, AI researchers, and anyone living in a terminal or on GitHub — from LLM to MCP, CORS to vibe coding, agentic to enshittification.
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