to coordinate · to harmonize · to fit together · to match (colors etc) · harmonious · concerted

The third point to make is that Emmet attempted to harmonize his theory with the reality of designing.

Stephen O'Brien, the United Nations Under-Secretary-General for Humanitarian Affairs and Emergency Relief Coordinator, has said that more than 20 million people faced the threat of starvation and famine in Yemen, Somalia, South Sudan and Nigeria.