true to word
true to (one's) word
As one has promised. Ted promised he would be there and, true to his word, he came and helped us move all that furniture. He's the best friend a guy could have.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
true to one's word
keeping one's promise. True to his word, Tom showed up at exactly eight o'clock. We'll soon know if Jane is true to her word. We'll see if she does what she promised.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.