"Wert on side" is an expression commonly used to describe supporting one side of an argument or taking a specific position. Synonyms for this phrase could include "taking sides," "favoring a viewpoint," "showing bias," or "choosing a stance." Other related phrases might include "picking a side," "having a preference," or "leaning towards a particular perspective." In any case, being "on side" implies a willingness to defend a certain position, whether in a formal debate or a casual discussion. It is important to remember to remain open-minded and willing to consider other viewpoints, however, rather than becoming too entrenched or entrenched in one's own beliefs.