Synonyms for operation

noun

1. The act of causing to function

   execution, guidance, superintendence, carrying out, ordering, order, maintenance, handling, manipulating, manipulation, supervision, control, conduct, agency, compelling, promoting, enforcing, enforcement, advancement, controlling, administering, regulating, running, supervising, directing, transacting, transaction, conducting; see also administration 1, regulation 1.

2. An action

   performance, act, employment, labor, service, carrying on, transaction, deed, doing, proceeding, handiwork, workmanship, exploitation, enterprise, movement, progression, progress, development, engagement, transference, conveyance, undertaking; see also action 1, work 2.

3. A method

   process, formula, procedure; see method 2, plan 2.

4. Surgical treatment

   surgery, biopsy, emergency operation, acupuncture, exploratory operation, clinical trial, section, excision, removal, vivisection, dissection, the knife*; see also medicine 3, surgery, transplant.

   Common surgical operations include: appendectomy, cystectomy, hysterectomy, mastectomy, tonsillectomy, gastrectomy, hemorrhoidectomy, colostomy, lobotomy, caesarian section, plastic surgery, facelift*, dermoplasty, rhinoplasty, amputation, coronary bypass, thyroidectomy, prostatectomy, laparotomy, keratotomy, keratoplasty, tracheotomy, spinal fusion, thoracotomy.