WordNet sense 1 (being actually such in almost every respect):

virtual

WordNet sense 2 (guided by practical experience and observation rather than theory):

hard-nosed, hardheaded

WordNet sense 3 (adequate for practical use; especially sufficient in strength or numbers to accomplish something):

working

WordNet sense 4 (concerned with practical matters):

matter-of-fact, pragmatic, pragmatical

WordNet sense 5 (designed for or adapted to a function or use):

functional

WordNet sense 6 (put into practice or put to use):

applied