pleasant to be in or on

good feeling

protected (from disease, danger, punishment etc); not able to be affected (by); protected (against)

invulnerable

allowed by law; connected with law

allowable, permissible

operated by a person and not a machine

defended

free, protected, (from danger etc); unhurt and undamaged; not causing or likely to cause danger; a strong box or compartment with a special lock, in which money and other valuables are kept

free from harm

free from anxiety; certain; guaranteed; fastened; fixed; to lock (something) (the usual word)

safe