reinforcement (n.)
- accelerando
- acceleration
- accession
- accessory
- accompaniment
- accouterment
- addendum
- addition
- additive
- adjunct
- adjunction
- adjuvant
- advocate
- affirmation
- affixation
- agglutination
- aggravation
- alpenstock
- amplitude
- annex
- annexation
- antinode
- appanage
- appendage
- appurtenance
- arm
- armament
- attachment
- attestation
- augmentation
- authentication
- back
- backbone
- backing
- bandeau
- bearer
- behavior
- blowup
- bolster
- bra
- brace
- bracer
- bracing
- bracket
- brassiere
- buttress
- buttressing
- cane
- carrier
- catering
- certification
- cervix
- chandlery
- coda
- complement
- concentration
- concomitant
- condensation
- conditioning
- confirmation
- consolidation
- continuation
- corollary
- corroboration
- corset
- crest
- crook
- crutch
- deepening
- diffraction
- documentation
- endowment
- enhancement
- equipment
- exacerbation
- exaggeration
- explosion
- extension
- extrapolation
- finding
- fixture
- forces
- fortification
- frequency
- fulcrum
- furnishing
- girdle
- guy
- hardening
- increase
- increment
- intensification
- interference
- investment
- invigoration
- jock
- jockstrap
- joining
- junction
- juxtaposition
- light
- logistics
- magnification
- mainstay
- maintainer
- mast
- men
- neck
- node
- offshoot
- outfitting
- pendant
- period
- personnel
- pickup
- prefixation
- preparation
- procurement
- proof
- prop
- proving
- provision
- purveyance
- ratification
- ray
- reflex
- refreshment
- reinforcer
- relief
- reorientation
- replenishment
- reserves
- resonance
- rest
- retailing
- revivification
- rigging
- selling
- shoulder
- shroud
- speedup
- spine
- sprit
- staff
- stave
- stay
- step-up
- stick
- stiffener
- strengthener
- strengthening
- subsidization
- subsidy
- substantiation
- subvention
- suffixation
- superfetation
- superposition
- supplement
- supplementation
- supply
- supplying
- support
- supporter
- sustainer
- tailpiece
- tempering
- tightening
- trough
- uniting
- upholder
- validation
- verification
- wave
- wavelength
