There are many ways to say "was proper," depending on the context and the tone of the message. Some synonyms for "was proper" include "was correct," "was appropriate," "was suitable," "was fitting," "was suitable," "was right," "was accurate," "was legitimate," "was valid," "was justifiable," "was ethical," "was moral," "was righteous," "was decent," and "was upright." Each of these synonyms implies a different shade of meaning and connotation, so it's important to choose the right word for the situation. Whether you're writing a formal paper, delivering a speech, or having a casual conversation, using the right synonym for "was proper" can help you convey your message more effectively and precisely.