Submitted by György Chityil ... on Sat, 01/20/2018 - 01:01 Hierarchy: VerbDescription: {{chiefly|US|idiomatic}} To initiate action; to assume a responsibility.Ngram: step up to the plateNgram Text: step up to the plateSource: WiktionaryIssue: 0Wiktionary tag: chieflyNgram Count: 5