Õ: mitmetähenduslik "allkirjastama" (st allkirjaga varustama)
(i) ei ole juriidiline termin
(ii) võib mõnes kontekstis olla eksitav

olemus
Wiktionary:
3. (transitive) to validate or ratify (a document) by writing one's signature on it
4. (transitive) more generally, to write one's signature on (something) as a means of identification etc
I forgot to sign that letter to my aunt.
6. to write one's signature
Please sign on the dotted line.

vt ka
- signeerima
- töölepingule alla kirjutama