competent adj.
VERBS be, feel, look, seem | become | make sb A year of college had made her more socially competent. | consider sb, regard sb as He was not considered competent to teach seven-year-olds.
ADV. extremely, highly, very a small number of highly competent officials | fully, perfectly | fairly, moderately, quite, reasonably | mentally She was mentally competent and she had the capacity to decide for herself. | socially, technically
PREP. in She is competent in five languages.
You can also check other dicts: competent (English, 中文解释 ), wordnet sense, Collins Definition