custodianship, custody, eagle eye, guard, guardedness, guardianship, interlaced scanning, invigilation, lookout, mixing, observance, peeled eye, proctoring, prudence, qui vive, scanning, shading, sharp eye, stewardship, surveillance, switching, telecasting, televising, vigil, vigilance, wariness, watch, watch and ward, watchful eye, watchfulness, watching, weather eye