'for all practical purposes' definitions:

Definition of 'for all practical purposes'

(from WordNet)
adverb
In every practical sense; "to all intents and purposes the case is closed"; "the rest are for all practical purposes useless" [syn: for all practical purposes, to all intents and purposes, for all intents and purposes]

Synonyms of 'for all practical purposes'

From: Moby Thesaurus