To engage by written contract; sign on
To certify or attest to (the validity of a signature on a document, for example) as a notary public.
To countersign is to sign a document that someone else has signed already.
To subscribe or agree to, as by signature
To write a note, title, etc. on (a document)
Find another word for sign-on-the-dotted-line. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for sign-on-the-dotted-line, like: sign, notarize, countersign, underwrite and endorse.