effectual
adjective
[ ɪˈfɛktʃʊəl ]
• (of something inanimate or abstract) successful in producing a desired or intended result; effective.
• "tobacco smoke is the most effectual protection against the midge"
Similar:
effective,
successful,
efficacious,
productive,
constructive,
fruitful,
potent,
powerful,
worthwhile,
helpful,
of help,
of assistance,
beneficial,
advantageous,
valuable,
useful,
of use,
Origin:
late Middle English: from medieval Latin effectualis, from Latin effectus (see effect).
