| effective(adjective, good, strong, power, tough) |
| able(adjective, good, power, direct, active) |
| competent(adjective, good, power, direct, skill) |
| capable(adjective, power, direct, keen, smart) |
| efficacious(adjective, good, power, sound, right) |
| productive(adjective, work, power, strain, firmness) |
| qualified(adjective, keen, smart, skill, intelligent) |
| effectual(adjective, power, excellent, keen, smart) |
| adequate(adjective, power, suitable, useful, decent) |
| skilled(adjective, keen, smart, skill, intelligent) |
| expert(adjective, keen, smart, suitable, careful) |
| proficient(adjective, keen, smart, adequate, skilled) |
| handy(adjective, careful, useful, real, flawless) |
| active(adjective, strong, direct, tough, energetic) |
| useful(adjective, direct, active, real, flawless) |
| apt(adjective, precise, expert, skilled, competent) |
| clever(adjective, keen, smart, intelligent, decent) |
| experienced(adjective, keen, smart, skill, intelligent) |
| operative(adjective, strong, direct, energetic, lively) |
| practical(adjective, close, mean, useful, serious) |