Depending upon the context, it might mean that the princess was out in public "incognito"; that is, without her obviating designation of authority, her diadem.

Or she might have just been comfortably hanging around the palace, not intending to entertain guests.

It is a frameword of shelves used for holding dishes obviating the need for a servant at mealtimes. It can be a small lift (non passenger) to transfer dishes and food from one level to another, for example kitchen to dining room it they are on different floors

Virtually all modern operating systems include a TCP/IP stack, thus obviating the need to install one. Without knowing what esoteric platform you are using, no one could possibly help you install one.

Going before; preceding., Tending to defeat or hinder; obviating; preventing the access of; as, a medicine preventive of disease., That which prevents, hinders, or obstructs; that which intercepts access; in medicine, something to prevent disease; a prophylactic.

Plasmid curing is the process of obviating the plasmid encoded functions such as antibiotic resistance, virulence, degradation of aromatic compounds, etc. in bacteria. Several plasmid curing agents have been reported in literature, however, no plasmid curing agent can eliminate all plasmids from different hosts.