I/I’d like to think Definition 1 of 2Pro Tip 1/3Hopeful Tone Used to express an optimistic feeling, wishing that things are as one wants them to be. I'd like to think we'll meet again someday. Pro Tip 2/3Hidden Doubt Implies a subtle doubt about the truth or realization of the matter in question. I'd like to think I can trust him, despite my reservations. Pro Tip 3/3Emphasis on Desire Stresses the speaker’s desire for the situation to be true, which may or may not be the case. I'd like to think our efforts made a difference.