endorse
en-DORSverbMeaning to publicly approve or support
Memory hook EN-DORSE: sign your name on the BACK. The chef signs the back cover of Lin’s cookbook and writes, “I recommend it!” She endorses it.
Three local chefs endorsed the new cookbook.
In context The doctors’ group did not merely allow the new playground rules; it endorsed them in a public letter, urging every school in the state to adopt them.
Similar approve, back, support, recommend
Opposite oppose, reject, condemn
From Medieval Latin indorsare, “to write on the back”: in (on) + dorsum (back). You endorse a check by signing its back.