This is the 4910th most frequent Polish word.
pełnienie
"Pełnienie" means "fulfillment" or "carrying out" in English.
In this sentence, "pełnienie" refers to executing or performing a designated role or function.
Pełnienie funkcji lidera zespołu to duża odpowiedzialność.
Performing the role of team leader is a significant responsibility.
This usage indicates commitment to fulfilling or honoring a promise or agreement.
Pełnienie tej obietnicy sprawiło mu wiele trudności.
Fulfilling this promise caused him many difficulties.
Here, "pełnienie" denotes the act of carrying out or fulfilling daily tasks or obligations.