[co.her.ent] adj [MF or L; MF coherent, fr. L cohaerent-, cohaerens, prp. of cohaerere] (ca. 1555) 1 a: logically or aesthetically ordered or integrated: consistent "~ style" "a ~ argument" b: having clarity or intelligibility: understandable "a ~ person" "a ~ passage"
2: having the quality of cohering; esp: cohesive, coordinated "a ~ plan for action" 3 a: relating to or composed of waves having a constant difference in phase "~ light" b: producing coherent light "a ~ source" -- co.her.ent.ly adv