accelerando
acceleration
affirmation
aggravation
analeptic
attestation
authentication
backing
backing up
bearing out
beefing-up
blowing up
blowup
bolstering
bracing
buttressing
case hardening
certification
circumstantiation
concentration
condensation
confirmation
consolidation
corroborant
corroboration
corroboratory evidence
deepening
documentation
enhancement
exacerbation
exaggeration
explosion
fortification
hardening
heating-up
heightening
information explosion
intensification
invigorating
invigoration
magnification
pickup
population explosion
proof
proving
proving out
ratification
redoubling
refreshing
refreshment
shift
transformation
transmutation
lengthening