be a man/woman of his/her word

be a man/woman of his/her word

To be known for upholding one's promises. If Ted said that he'll help you move, then he'll definitely be here—he's a man of his word.
See also: man, of, woman, word
Farlex Dictionary of Idioms.

be a man/woman of his/her ˈword

be a person who always does what he/she has promised to do: If he said he’d help you, he will — he’s a man of his word.
See also: man, of, woman, word
Farlex Partner Idioms Dictionary

of (one's) word

Displaying personal dependability: a woman of her word.
See also: of, word
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • of word
  • good as (one's) word
  • good as one's word, as
  • as good as (one's) word
  • as good as word
  • calculate on
  • calculate on (something)
  • be as honest as the day is long
  • break the record
  • break the/a record