This is the 4181st most frequent Polish word.
cieszyła
"She was happy" or "She enjoyed."
In this sentence, 'cieszyła' conveys the feeling of happiness or being pleased oneself (reflexive). It is in the past tense referring to Maria.
Maria cieszyła się z wygranej w konkursie.
Maria was happy about winning the competition.
Here, 'cieszyła' expresses causing the feeling of happiness or pleasure in others. It is in the past tense and refers to the information.
Pewna informacja cieszyła wszystkich zebranych.
A particular piece of information pleased everyone gathered.
The word 'cieszyła' indicates how someone's decision caused a feeling of satisfaction in the speaker, emphasizing the past tense aspect of the expression.