This is the 471st most frequent German word.
gleichen
"To resemble" or "to be similar to."
Here, "gleichen" is used in a reflective sense, meaning "to make equal or align."
Ich möchte meine Ziele mit meinen Wünschen gleichen.
I want to equate my goals with my wishes.
In this context, "gleichen" is used in a reciprocal sense, meaning "to resemble or be similar to."
Die beiden Bilder gleichen sich bis ins kleinste Detail.
The two pictures resemble each other down to the smallest detail.
Here, "gleichen" is used to mean "to compensate or offset."