| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | functional |
| Synonyms: | fit, in service, in working order, operative, practicable, practical, prepared, ready, serviceable, usable, useful, viable, workable, working |
| Main Entry: | begun |
| Part of Speech: | adjective |
| Definition: | started |
| Synonyms: | going, happening, in motion, in process, in progress, initiated, operational, operative, proceeding, under way, working |
| Antonyms: | latent, prospective |
| Main Entry: | operating |
| Part of Speech: | adjective |
| Definition: | functioning |
| Synonyms: | acting, going, operational, producing, running, working |
| Main Entry: | functioning |
| Part of Speech: | adjective |
| Definition: | active |
| Synonyms: | functional, going, operating, operational, operative, running, useful, working |