Entry 2 senses · 2 variants Webster, 1913 Proportionate /prə-pôrʹshə-nət/ · Pro·por·tion·ate · IPA /pɹəˈpɔɹʃənət/ a. v. t. 01 a. Adjusted to something else according to a proportion; proportional. 1. Adjusted to something else according to a proportion; proportional. “What is proportionate to his transgression.” — Locke. 02 v. t. To make proportional; to adjust according to a settled rate, or to due comparative relation; to proportion; as, to proportionate punishment… imp. & p. p. Proportionated; p. pr. & vb. n. Proportionating 1. To make proportional; to adjust according to a settled rate, or to due comparative relation; to proportion; as, to proportionate punishment to crimes.