backup, substitute, replacement, spare, alternative, fallback, stand-in, , auxiliary, extra, surplus, stock, store, supply, hoard, cache, fund, pool, reservoir, inventory, provision, resource, set-asi... [more]
modify - alter - adapt - regulate - tune - calibrate - amend - tweak - fine-tune - correct - change - set - fix - align - balance - accommodate - fit - tailor - reshape - revise - edit - customize - rectify - harmonize - standardize - synchronize - attune - equalize - normalize - modulate - temper - trim - vary - shift - transform - convert - rework - reconfigure - reorient - reframe - retool - recondition - reengineer - recalibrate - readjust - realign - reset - rescale - resize
To change something slightly in order to achieve the desired fit, appearance, or result. Adjusting involves fine-tuning or making small alterations to fix something or to reach a desired state.