To obtain or contract for the services of; employ: engage a carpenter. To arrange for the use of; reserve: engage a room. See Synonyms at book. To pledge or promise, especially to marry. To attract and hold the attention of; engross: a hobby that engaged her for hours at a time. To win over or attract: His smile engages everyone he meets. To draw into; involve: engage a shy person in conversation. To require the use of; occupy: Studying engages most of my time. To enter or bring into conflict with: We have engaged the enemy. To interlock or cause to interlock; mesh: engage the automobile's clutch. To give or take as security. To involve oneself or become occupied; participate: engage in conversation. To assume an obligation; agree. To enter into conflict or battle: The armies engaged at dawn. To become meshed or interlocked: The gears engaged.