1) Appraise too highly 2) Assess too highly 3) Estimate too highly 4) Give too much praise 5) Inflate in value 6) Judge too generously 7) Judge too highly 8) Make too high an estimate of 9) Make too much of 10) Misjudge 11) Overestimate 12) Put too much stock in 13) Regard too highly 14) Set too high a value on 1) Misjudge 2) Mispraise 
• (n.) An excessive rate. • (v. t.) To rate or value too highly.
O'ver·rate` noun An excessive rate. [ R.] Massinger. O`ver·rate' transitive verb [ imperfect & past participle Overrated ; present participle & verbal noun Overrating .] To rate or value too highly. 
to rate or appraise too highly; overestimate: I think you overrate their political influence.