This is the 425th most frequent Finnish word.
onnistunut
Successful.
In this sentence, 'onnistunut' is an adjective describing the quality of the example.
Tämä on onnistunut esimerkki hyvästä suunnittelusta.
This is a successful example of good design.
'Onnistunut' is used as an adjective to qualify the traveler with success.
Onnistunut matkustaja pärjää vähällä.
A successful traveler manages with little.
The word 'onnistunut' is used here as a verb in compound tense to indicate successful accomplishment.