Thesaurus

Synonyms for Preventative include:

alterative, anthelminthic, anthelmintic, antifertility, antifouling, antimicrobial, antimicrobic, antiseptic, beneficial, birth control device, blockading, carminative, cathartic, cautionary, clogging, conserving, contraceptive, contraceptive device, curative, custodial, defensive, deterrent, drugless, evasive, flatus-relieving, frustrating, frustrative, good, guardian, healing, healthful, helminthic, hindering, impeding, medicative, medicinal, obstructive, obviating, organic, overprotective, parasiticidal, pre-emptive, precautional, precautionary, preclusive, preemptive, preservative, preserving, preventative, preventive, prohibitive, prohibitory, prophylactic, prophylactic device, protecting, protective, psychotherapeutic, recuperative, remedial, restorative, restrictive, safety-related, salutary, sanative, spermicidal, therapeutic, thwarting, tutelar, tutelary, wholesome

preventative is a ADJ.

birth control device, contraceptive, contraceptive device, encumbrance, hinderance, hindrance, hitch, incumbranc, incumbrance, interferenc, interference, preventative, preventive, prophylactic, prophylactic device

preventative is a NOUN.