Constructive and Timely

adjective

• Constructing or tending to construct or improve or promote development.
  • usage: "constructive criticism"; "a constructive attitude"; "a constructive philosophy"; "constructive permission"
• Emphasizing what is laudable or hopeful or to the good.
  • usage: "constructive criticism"

• (a.) Having ability to construct or form; employed in construction; as, to exhibit constructive power.
• (a.) Derived from or depending on, construction or interpretation; not directly expressed, but inferred.

adjective

• Before a time limit expires.
  • usage: "the timely filing of his income tax return"
• Done or happening at the appropriate or proper time.
  • usage: "a timely warning"; "with timely treatment the patient has a good chance of recovery"; "a seasonable time for discussion"; "the book's publication was well timed"
  • synonyms: seasonable, well-timed, well timed

adverb

• At an opportune time.
  • usage: "your letter arrived apropos"
  • synonyms: seasonably, well-timed, apropos

• (superl.) Being or occurring in good time; sufficiently early; seasonable.
• (adv.) Early; soon; in good season.
• (superl.) Keeping time or measure.