The other meaning is a pun, since "Uaxactun" sounds like "Washington", the U.S. capital and home of the Carnegie Institute which funded Morley's explorations.

[citation needed] The remains of several badly ruined late Classic era temple-pyramids were removed, revealing well-preserved earlier temples underneath them.

For most of the Carnegie team's time at Uaxactun, communication with the outside world was via a four-day mule convoy to El Cayo, British Honduras.

Flights to Uaxactun continued and a small village grew there, as it became a center for gathering of chicle sap from the Petén jungle.

Siyaj K'ak' might have come from Teotihuacán, been the general of the Teotihuacano ruler Spearthrower Owl, and conquered Tikal earlier the same year.

Some scholars suggested that new kings were installed at Tikal, Uaxactun, Rio Azul, El Peru, El Zapote and Bejucal during the Teotihuacan intrusions, new rituals and images were introduced, and a new order was established in the Maya Lowlands, while others suggested a less hegemonic role of Teotihuacan in its relationship with the Maya.

[6] After the conquest by Siyaj K'ak' in 378 AD, Uaxactun was still able to keep elite prerogatives of monument carving, temple erection, and rich burials during most of the Early Classic era.

By the middle of Late Classic, Uaxactun showed evidences of population increase, new construction, remodeling of old structures, and appearance of new residential areas, plaza groups, and buildings.