1. reliable
reliable information
That is possible only if we also put in place a reliable, solid, internal control system.
Encryption technology has advanced to the point where it's pretty reliable.
Other people argue that wind power is simply not reliable as an energy source, as wind is variable and unpredictable.
There was the baseline -- first of all, a much bigger and more reliable signal.
Uncle Jim is reliable, so he will be on time to collect you from school.
She is the most reliable person in this office and we can always depend on her, so it's best to let her do this difficult assignment.
It was a very nice experience, and the cars were clean and reliable.
I wanted to make the point that we need a stable and reliable government in Pakistan.
a birth control method that is cheap and reliable
Although my friends differ so considerably from each other, there is one characteristic they have in common: they are always reliable and have never lat me down.
A person who does as promised c considered as reliable.
He's a reliable person. Whenever I ask him for a favour he's always there for me.
a reliable car, reliable information / → Opposite - unreliable
She’s about the most reliable person at work. She’s never late, never ill and hasn’t let us down yet.
2. accurate
OPP inaccurate
The film review was quite accurate. It said the plot was poor but the acting was good; which was true.
How accurate is your spelling in your native language.
1. You saw how accurate I can be, how lethal. / 2. You know I like to be accurate.
men remember unpleasant and sexual experiences far more accurately than women.
Such an accurate, lightning-quick reply. What can I say?
A stupid man's report of what a clever man says is never accurate, because he unconsciously translates what he hears into something that he can understand.
You speak pretty highly of him but you're directly involved. I think my less charitable view might be more accurate since I can look at things objectively.
Honestly, I am not the most accurate person on earth.
And be accurate, in other words, be precise and tell the truth. Don't invent things.
I therefore voted for the use of the term 'incitement' rather than 'provocation', since this is more accurate and gives less leeway.
accurate = careful and exact.
The figures they have used are just not accurate. We hope to become more accurate in predicting earthquakes.
It's not an accurate description. (To nie jest dokładny opis.) She is very accurate in her calculations. (Ona jest bardzo dokładna w swoich wyliczeniach.) Did you give her accurate directions? (Czy dałeś jej dokładne instrukcje?)
Over time memories become less accurate, because they are changed by our brain every time we remember them.
3. authoritative
an authoritative tone of voice
They long for some authoritative study that will provide an answer.
authoritative = is respected and listened to by others
many corporations still take an authoritative view of work,
My dictionary is the most authoritative work on aviation english vocabluary. He has a commanding presence and an authoritative voice.
Some doctors are authoritative and lecture people about their lifestyles.
... to provide accurate and authoritative information in regard to...