regress - recede, fall back, make or become less advanced⏎
plan - chart, diagram, drawing, plot, vision, envision, intention, detailed arrangements, blueprint⏎
pigeonhole - classification, compartment, put into a particular group, categorise, categorize⏎
priority - most important, precedence, to be dealt with first⏎
reply - answer, rejoinder, reaction, response⏎
obligation - duty, promise, necessity⏎
outcome - result, effect⏎
quotation - price, referral, estimated cost of job or service⏎
operate - control, use, work, function⏎