with it, be

Also, get with it. Be or become knowledgeable about the current or latest trends, fashions, or ideas, as in She just turned 60, but she's still very much with it, or Get with it, Dad, that kind of razor hasn't been made for years. [Slang; 1920s]

Words nearby with it, be

with bells on, with flying colors, pass with, with good grace, with half a heart, with interest, with it, be, with one arm tied behind one's back, with one voice, with one's eyes open, with one's pants down, with open arms