1) Breathe 2) Breathe deeply 3) Breathe deeply and heavily 4) Heave a sigh 5) Heave or utter a sigh 6) Respire 7) Sigh 8) Take a breath 9) To breathe 10) To exhale 11) To sigh Found on https://www.crosswordclues.com/clue/suspire
Sus·pire' intransitive verb [ Latin suspirare to breathe out, to sigh; sub under + spirare to breathe: confer French souspirer , Old French souspirer .] To fetch a long, deep breath; to sigh; to breathe. Shak. « Fireflies that suspire In short,... Found on http://www.encyclo.co.uk/webster/S/252