sustain (v.)

• abide
• admit
• advocate
• affirm
• allow
• answer
• approve
• assert
• attest
• authenticate
• authorize
• back
• bear
• befriend
• bide
• board
• bolster
• brace
• brave
• bread
• brook
• buoy
• buttress
• carry
• certify
• champion
• cherish
• circumstantiate
• coddle
• confirm
• conserve
• continue
• copyright
• corroborate
• cosset
• counter
• cradle
• cultivate
• cushion
• defend
• digest
• dine
• document
• dry-nurse
• dwell
• encounter
• endorse
• endure
• espouse
• exist
• experience
• extend
• favor
• feed
• feel
• finance
• float
• fodder
• fondle
• forage
• fortify
• foster
• fund
• gird
• go
• grass
• gratify
• graze
• guard
• harden
• have
• hold
• invigorate
• keep
• know
• last
• lengthen
• live
• lug
• lump
• maintain
• meet
• mess
• mother
• nerve
• nourish
• nurse
• nurture
• nutrify
• pack
• pamper
• pasture
• patent
• pay
• perennate
• perpetuate
• persevere
• persist
• pillow
• preserve
• prevail
• probate
• prolong
• prop
• protect
• protract
• prove
• provision
• ratify
• rebut
• recognize
• refresh
• refute
• regale
• register
• reinforce
• reinvigorate
• remain
• reply
• respond
• restrengthen
• retain
• riposte
• run
• sanction
• satisfy
• save
• see
• shore
• shoulder
• spare
• spend
• stand
• stay
• steel
• stick
• stiffen
• stomach
• strengthen
• subsidize
• subsist
• substantiate
• subvention
• suckle
• suffer
• support
• survive
• tarry
• taste
• temper
• tolerate
• tote
• toughen
• undergird
• undergo
• underlie
• underpin
• uphold
• uplift
• upraise
• validate
• verify
• waft
• warrant
• wear
• weather
• wet-nurse
• withstand