indorse

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. Variant of endorse.

Century Dictionary and Cyclopedia

1. To place something on the back of; burden; load.
2. To write one's name, or some brief remark, statement, or memorandum, on the back of (a paper or document), as in assigning, or guaranteeing the payment of, a note or bill of exchange, or in briefing or docketing legal papers, invoices, etc.: as, the bill was indorsed to the bank; he was looking for a friend to indorse his note; a letter indorsed “London, 1868”: loosely used of writing added upon any part of a document.
3. To sanction; ratify; approve: as, to indorse a statement or the opinions of another.
4. In heraldry, to place back to back.
5. n. In heraldry, a bearing like the pale, but of one fourth its width. It may be borne in any part of the field, and is commonly charged one indorse on each side of the pale. It is often considered a subordinary.

Wiktionary

1. v. UK, India, rare Alternative form of endorse.

GNU Webster's 1913

1. v. obsolete To cover the back of; to load or burden.
2. v. To write upon the back or outside of a paper or letter, as a direction, heading, memorandum, or address.
3. v. (Law & Com.) To write one's name, alone or with other words, upon the back of (a paper), for the purpose of transferring it, or to secure the payment of a note, draft, or the like; to guarantee the payment, fulfillment, performance, or validity of, or to certify something upon the back of (a check, draft, writ, warrant of arrest, etc.).
4. v. To give one's name or support to; to sanction; to aid by approval; to approve.

WordNet 3.0

1. v. give support or one's approval to
2. v. sign as evidence of legal transfer
3. v. guarantee as meeting a certain standard
4. v. be behind; approve of