Definitions: (1) to have <and particularly express> a favorable attitude or opinion; (2) to be pleased with; to think or declare something or someone to be good or satisfactory; (3) to commend; endorse; sanction

Synonyms: accrediting, admiring, authorizing, certifying, consenting, promoting, ratifying, supportive

What is a kiss? Why this, as some approve: The sure, sweet cement, glue, and lime of love. — Robert Herrick (1591-1674) English poet & cleric
What do you call love, hate, charity, revenge, humanity, magnanimity, forgiveness … different results of the one master impulse, the necessity of securing one’s self-approval. — Mark Twain [born Samuel Clemens] (1835-1910) American humorist