Emily Dickinson Lexicon

seal (-ed), v. [OFr seeler.; see seal, n.] (webplay: letter, states, writing).

1. Lock; close; secure from outside influences.
2. Fasten; enclose securely in an envelope; impress wax to close a letter.
3. Prove; confirm; finalize; complete; establish as fact.
4. Conceal; hide; protect.